Introduction to Python Programming And Data Structure By Liang

A fusion system over a p-group S is a category whose objects form the set of all subgroups of S, whose morphisms are certain injective group homomorphisms, and which satisfies axioms first formulated by Puig that are modelled on conjugacy relations in finite groups. The definition was originally motivated by representation theory, but fusion systems also have applications to local group theory and to homotopy theory. The connection with homotopy theory arises through classifying spaces which can be associated to fusion systems and which have many of the nice properties of p-completed classifying spaces of finite groups. Beginning with a detailed exposition of the foundational material, the authors then proceed to discuss the role of fusion systems in local finite group theory, homotopy theory and modular representation theory. This book serves as a basic reference and as an introduction to the field, particularly for students and other young mathematicians.

Measure Theory has played an important part in the development of functional analysis: it has been the source of many examples for functional analysis, including some which have been leading cases for major advances in the general theory, and certain results in measure theory have been applied to prove general results in analysis. Often the ordinary functional analyst finds the language and a style of measure theory a stumbling block to a full understanding of these developments. Dr Fremlin's aim in writing this book is therefore to identify those concepts in measure theory which are most relevant to functional analysis and to integrate them into functional analysis in a way consistent with that subject's structure and habits of thought. This is achieved by approaching measure theory through the properties of Riesz spaces and especially topological Riesz spaces. Thus this book gathers together material which is not readily available elsewhere in a single collection and presents it in a

The nine papers in this volume were written for a conference on research in international trade and finance held at Princeton University in March 1973. Each author was asked to survey research on one major topic, with a view to answering three questions: What have we learned from recent empirical research? What are the major gaps in present knowledge? How should we go about filling those gaps? When answering the second question, authors were urged to look at the practical requirements of those who must make policy concerning the international economy, and at the opportunities and insights offered by recent developments in pure theory. When answering the third, they were urged to look at developments in econometric technique, newly available data, and work in progress in related fields.

This is one of the first studies to treat Valéry's theory and practice of poetry together and is the first full-length study of his poetry in English. Discussion of his ideas on poetic composition leads to a detailed analysis of the principal poetry: the long term poem La Jeune Parque and all the poems in the main collection. While serving as a step-by-step introduction to Valéry's poetic achievement, the argument is not merely neutral; it elicits and comments on his little-known concept of 'Voice', now seen increasingly to be central. This is not simply the acoustic or musical effect of one poet's verse: it relates to the inner monologue we all hear within ourselves. By concentrating on Valéry's unusually thorough understanding of this area of exchange between willed and spontaneous modes of perception and creativity, the book is able to approach without jargon the much debated question of the subject - 'Who speaks in a poem?' It proposes some unexpected conclusions concerning Valéry'

Voltaire is widely known as the author of a literary masterpiece, Candide, while his reputation as a thinker rests largely on his Philosophical Letters and Philosophical Dictionary. He is equally renowned as a critic of the forces of superstition and fanaticism, and a champion of freedom of thought and belief. The works presented here, in a new English translation, are among the most important and characteristic texts of the Enlightenment, and bring together all three aspects of Voltaire: the writer, the doer and the philosophe. Originating in Voltaire's campaign to exonerate Jean Calas, they are works of polemical brilliance, informed by his deism and humanism and by Enlightenment values and ideals more generally. The issues which they raise, concerning questions of tolerance and human dignity, are still highly relevant to our own times. This volume presents them together with an introduction by Simon Harvey and useful notes on further reading.

Although topology was recognized by Gauss and Maxwell to play a pivotal role in the formulation of electromagnetic boundary value problems, it is a largely unexploited tool for field computation. The development of algebraic topology since Maxwell provides a framework for linking data structures, algorithms, and computation to topological aspects of three-dimensional electromagnetic boundary value problems. This book attempts to expose the link between Maxwell and a modern approach to algorithms. The first chapters lay out the relevant facts about homology and cohomology, stressing their interpretations in electromagnetism. These topological structures are subsequently tied to variational formulations in electromagnetics, the finite element method, algorithms, and certain aspects of numerical linear algebra. A recurring theme is the formulation of and algorithms for the problem of making branch cuts for computing magnetic scalar potentials and eddy currents.

How do we define patriotism in a diverse society?What divides us and what brings us together?Why do we feel uncomfortable celebrating our country's history?How to be a Patriot offers a new way of understanding our collective identity in a country wracked by division and brimming with markers of selfhood - faith, race, gender, age, sexuality.Sunder Katwala himself grew up with some questions to work through. As a half-Indian, Irish Catholic child of the NHS, the chequered history of post-imperial Britain seemed very personal to him, but he realised that with that background he could hardly be anything but British, and proud of it too.His timely and clear-eyed analysis seeks to navigate the many crises of this increasingly disunited kingdom: extremism and integration after 7/7; fear of immigration and the deep divides of Brexit; the resurgence of online racism; and the debate over our cultural heritage. Equipped with a nuanced understanding of the subject and a wealth of supporting data,

Why do larger areas have more species? What makes diversity so high near the equator? Has the number of species grown during the past 600 million years? Does habitat diversity support species diversity, or is it the other way around? What reduces diversity in ecologically productive places? At what scales of space and time do diversity patterns hold? Do the mechanisms that produce them vary with scale? This book examines these questions and many others, by employing both theory and data in the search for answers. Surprisingly, many of the questions have reasonably likely answers. By identifying these, attention can be turned toward life's many, still-unexplained diversity patterns. As evolutionary ecologists race to understand biodiversity before it is too late, this book will help set the agenda for diversity research into the next century.

Representation theory and character theory have proved essential in the study of finite simple groups since their early development by Frobenius. The author begins by presenting the foundations of character theory in a style accessible to advanced undergraduates requiring only a basic knowledge of group theory and general algebra. This theme is then expanded in a self-contained account providing an introduction to the application of character theory to the classification of simple groups. The book follows both strands of the theory: the exceptional characters of Suzuki and Feit and the block character theory of Brauer and includes refinements of original proofs that have become available as the subject has grown. This account will be of value as a textbook for students with some background in group theory, and as a reference for specialists and researchers in the field.

This 1986 study of Manon Lescaut draws on various debates in the fields of psychoanalysis, feminism and literary criticism. It has two principal aims: to analyse this story of a young man's passion for a femme fatale as it is presented by the narrator; and to suggest ways in which feminist criticism can help explain how the text operates. The volume is in three parts. In Part I, Dr Segal offers a close reading of Manon Lescaut in which the narrator's relationship with language is the key issue. Part II considers four central themes which are present in the text's language and structure: money, the image of the woman, the concept of the double, and fatality. In the final part the author presents a feminist critique of Freud and Lacan, and develops thereby a fascinating version of the Oedipus Complex which is brought to bear on Manon Lescaut.

Originally published in 2005, this book focuses on the role of corporations within the trading system, and the complex relationships between corporations, nation states and international organisations. The actions and motives that drive corporations are considered as well as the structure of the international trading system. Remedial devices such as Codes of Conduct and Human Rights instruments are assessed for effectiveness. The book seeks reasons for what is a growing understanding that international trading regimes are not meeting objectives found in many international agreements, including both the international trade agreements themselves (WTO, GATT, TRIPS etc.) and human rights instruments. In particular, it is clear that the prevalence and severity of poverty is not being adequately addressed. This work sets out to investigate the role played by companies in this failure in the globalisation of trade to realise its aims, in particular the failure to achieve the minimum of basic

In this volume, leading scholars of intellectual property and information policy examine what the common law - a method of reasoning, an approach to rule making, and a body of substantive law - can contribute to discussions about the scope, structure and function of intellectual property. The book presents an array of methodologies, substantive areas and normative positions, tying these concepts together by looking to the common law for guidance. Drawing on interdisciplinary ideas and principles that are embedded within the working of common law, it shows that the answers to many of modern intellectual property law's most puzzling questions may be found in the wisdom, versatility and adaptability of the common law. The book argues that despite the degree of interdisciplinary specialization in the field, intellectual property is fundamentally a creation of the law; therefore, the basic building blocks of the law can shed important light on what intellectual property can and should (and

This 1991 book presents a comprehensive study of the literature of the Cretan Renaissance and relates it to the historical, social and cultural context. Crete, ruled by Venice from 1211 to 1669, responded to the stimulus of the Renaissance in a body of narrative, written in the Cretan dialect, and now regarded as an important influence on Modern Greek literature. These Cretan literary works are part of a more general phenomenon of cultural fusion which occurred in Crete and can be observed in art and architecture, as well as in learning. The historical background is related to an examination of the structure of Veneto-Cretan society, while the central chapters concentrate on the small but distinguished group of literary texts which have survived, among which drama is especially important, with examples of tragedy, comedy, pastoral and religious drama. Finally, there is a pioneering study of the interrelations between popular poetry and literature.

In this 1982 book, the theory of games, first developed to analyse economic behaviour, is modified so that it can be applied to evolving populations. John Maynard Smith's concept of an evolutionarily stable strategy is relevant whenever the best thing for an animal or plant to do depends on what others are doing. The theory leads to testable predictions about the evolution of behaviour, of sex and genetic systems, and of growth and life history patterns. This book contains a full account of the theory, and of the data relevant to it. The account is aimed at senior undergraduate and graduate students, teachers and research workers in animal behaviour, population genetics and evolutionary biology. The book will also be of interest to mathematicians and game theorists; the mathematics has been largely confined to appendixes so that the main text may be easily followed by biologists.

This book was first published in 2001. It provides an introduction to Fourier analysis and partial differential equations and is intended to be used with courses for beginning graduate students. With minimal prerequisites the authors take the reader from fundamentals to research topics in the area of nonlinear evolution equations. The first part of the book consists of some very classical material, followed by a discussion of the theory of periodic distributions and the periodic Sobolev spaces. The authors then turn to the study of linear and nonlinear equations in the setting provided by periodic distributions. They assume only some familiarity with Banach and Hilbert spaces and the elementary properties of bounded linear operators. After presenting a fairly complete discussion of local and global well-posedness for the nonlinear Schrödinger and the Korteweg-de Vries equations, they turn their attention, in the two final chapters, to the non-periodic setting, concentrating on problems

New Zealand English - at just 150 years old - is one of the newest varieties of English, and is unique in that its full history and development are documented in extensive audio-recordings. The rich corpus of spoken language provided by New Zealand's 'mobile disk unit' has provided insight into how the earliest New Zealand-born settlers spoke, and consequently, how this new variety of English developed. On the basis of these recordings, this book examines and analyses the extensive linguistic changes New Zealand English has undergone since it was first spoken in the 1850s. The authors, all experts in phonetics and sociolinguistics, use the data to test previous explanations for new dialect formation, and to challenge current claims about the nature of language change. The first ever corpus-based study of the evolution of New Zealand English, this book will be welcomed by all those interested in phonetics, sociolinguistics, historical linguistics and dialectology.

WTO law sets the global minimum standards for trade regulation, while allowing some regulatory flexibility for developing countries. The exact scope of regulatory flexibility is often unclear and, at times, flexibility may be counterproductive to sustainable economic growth in developing countries. Undisputedly, developing countries would have some flexibility with respect to tailoring preferential services trade agreements to their individual economic needs and circumstances, but empirical data from over 280 preferential services trade agreements worldwide shows that this flexibility is rarely used. This volume clarifies the regulatory scope of flexibility for preferential services trade agreements between developing countries by linking the legal interpretation of WTO law with evidence from research in economics and political sciences. The book suggests that the current regulatory framework leaves room for meaningful flexibility for developing countries, and encourages policymakers a

Latent inhibition is an exquisitely simple, robust and pervasive behavioural phenomenon - the reduced ability of an organism to learn new associations to previously inconsequential stimuli. It has been demonstrated in a variety of animals, including humans, across many different learning tasks. The ease of demonstrating the latent inhibition effect, on the one hand, is matched by the difficulty of incorporating it into contemporary conditioning and learning theories, on the other. R. E. Lubow offers a complete survey of the basic data that comprise the latent inhibition effect and a review of theories that attempt to explain it. He then elaborates his own Conditioned Attention Theory and derives applications for learned helplessness and schizophrenia. A wide range of experimental psychologists and neuroscientists will find this a stimulating and useful book for themselves and their students.

Charged particle imaging has revolutionized experimental studies of photodissociation and bimolecular collisions. Written in a tutorial style by some of the key practitioners in the field, this book gives a comprehensive account of the technique and describes many of its applications. The book is split into two parts. Part I is intended as a series of tutorials. It explains the basic principles of the experiment and the numerical methods involved in interpreting experimental data. Part II describes a number of different applications. These chapters are more directly research oriented, the aim being to introduce the reader to the possibilities for future experiments. This comprehensive book will be of primary interest to researchers and graduate students working in chemical and molecular physics who require an overview of the subject as well as ideas for future experiments.

The United States government, represented by the Office of the Solicitor General, appears before the Supreme Court more than any other litigant. The Office's link to the president, the arguments it makes before the Court and its ability to alter the legal and policy landscape make it the most important Supreme Court litigant bar none. As such, scholars must understand the Office's role in Supreme Court decision making and its ability to influence the Court. It examines whether and how the Office of the Solicitor General influences the United States Supreme Court. Combining archival data with recent innovations in the areas of matching and causal inference, the book finds that the Solicitor General influences every aspect of the Court's decision-making process. From granting review to cases, selecting winning parties, writing opinions and interpreting precedent, the Solicitor General's office influences the Court to behave in ways it otherwise would not.

In recent years there has been a growing interest in the interactions between descriptive set theory and various aspects of the theory of dynamical systems, including ergodic theory and topological dynamics. This volume, first published in 2000, contains a collection of survey papers by leading researchers covering a wide variety of recent developments in these subjects and their interconnections. This book provides researchers and graduate students interested in either of these areas with a guide to work done in the other, as well as with an introduction to problems and research directions arising from their interconnections.

Information retrieval is the foundation for modern search engines. This textbook offers an introduction to the core topics underlying modern search technologies, including algorithms, data structures,

Event Representation in Language and Cognition examines new research into how the mind deals with the experience of events. Empirical research into the cognitive processes involved when people view events and talk about them is still a young field. The chapters by leading experts draw on data from the description of events in spoken and signed languages, first and second language acquisition, co-speech gesture and eye movements during language production, and from non-linguistic categorization and other tasks. The book highlights newly found evidence for how perception, thought, and language constrain each other in the experience of events. It will be of particular interest to linguists, psychologists, and philosophers, as well as to anyone interested in the representation and processing of events.

What happens to intergovernmental organizations (IGOs) after their creation has remained in mystery over the years. Although the current globalized outlook has sparked new and growing interests on the role that IGOs play in the global landscape, the scholarship has largely focused on the political aspects of cooperation, primarily on how and why different IGO member states interact with each other and the outcomes associated with such cooperation. Research is yet to untangle how these organizations work and operate. This Element addresses this niche in the literature by delving into two important aspects: the management and governance of IGOs. We build on a four-year research program where we have collected three types of different data and produced several papers. Ultimately, the Element seeks to provide scholars with a description of the inner workings of IGOs, while providing guidance to policymakers on how to manage and govern them.

Campesato presents this guide to using HTML5 for mobile programming, giving instruction with a mix of prose and code. A general introduction to the intersection of HTML5 and mobile is followed by spec

In the late 1960s, Berlin and Kay argued that there are commonalities of basic colour term use that extend across languages and cultures, and probably express universal features of perception and cognition. In 1992, at the Asilomar Conference Centre, visual scientists and psychologists met with linguists and anthropologists for the first time to examine how these claims have fared in the light of current knowledge. To what extent can cross-cultural regularities be explained by the operation of the human visual system? What can the study of colour categorisation tell us about concept formation? Are the Berlin-Kay results an artifact of their methods? What tools have been and should be used to probe the structure of human colour categories? In this volume, which arose from that conference but also incorporates new work, a distinguished team of contributors survey key ideas, results and techniques from the study of human colour vision, as well as field methods and theoretical interpretati

The ever-evolving nature of electronic commerce and social media continues to challenge the capacity of the courts to respond to privacy and security violations in 'cyberlaw'. Social Media and Electronic Commerce Law is designed to provide students and legal practitioners with a thorough and engaging exploration of the laws, regulations and grey areas of commerce via online platforms. This new edition has been thoroughly revised to address changes in legislation and recent court judgments, and to reflect the dynamic sphere of social media. New chapters focus on internet and e-commerce law regarding social media, P2P file sharing, Cloud computing and workplace issues, with an emphasis on data security made particularly relevant by the proliferation of hacking incidents. Written in an accessible style, Social Media and Electronic Commerce Law investigates the challenges facing legal practitioners and commercial parties in this dynamic field, as well as the underlying legal theory that go

Natural history and treatment outcome of disease are of critical importance to patients, clinicians and health care providers across the full range of medical disciplines. In many specialities, such as neurology and neurosurgery, this sort of information can be hard to obtain in the absence of extensive outcome studies and agreed measures of outcome in different conditions. This volume seeks to inform about effective care and rehabilitation by providing a succinct review of whatever data is available for the majority of conditions encountered in clinical practice. Particular attention has been given to the evaluation of severity and outcome of each disorder and to advice on comparing risks and benefits of treatment. This resource will prove invaluable to all involved in informing patients of treatment options and making important cost efficient decisions on care. It should also be welcomed in the planning of clinical trials for potential therapies and as a reference in medicolegal sphe

The transition from studying calculus in schools to studying mathematical analysis at university is notoriously difficult. In this third edition of Numbers and Functions, Professor Burn invites the student reader to tackle each of the key concepts in turn, progressing from experience through a structured sequence of more than 800 problems to concepts, definitions and proofs of classical real analysis. The sequence of problems, of which most are supplied with brief answers, draws students into constructing definitions and theorems for themselves. This natural development is informed and complemented by historical insight. Carefully corrected and updated throughout, this new edition also includes extra questions on integration and an introduction to convergence. The novel approach to rigorous analysis offered here is designed to enable students to grow in confidence and skill and thus overcome the traditional difficulties.

Environmental Change: Key Issues and Alternative Approaches describes and explains the significance of past and contemporary environmental and climatic change. It outlines the conceptual framework for studies of environmental change by posing key questions and presenting the results of relevant research. It provides a non-specialist introduction to models in environmental change research and to the study of past environmental changes. Covering the last 400 000 years, special emphasis is placed on past periods of rapid warming, the nature of climatic variability over the last 1000 years and the dramatic and accelerating changes in the Earth system heralded by the industrial revolution. The book is extensively referenced and illustrated. This book provides a balanced, non-specialist basis for understanding and exploring the scientific issues underlying global change for advanced undergraduates in geography, environmental, earth, biological and ecological sciences.

This book offers a fresh approach to some of the most studied documents relating to Christian female asceticism in the Roman era. Focusing on the letters of advice to the women of the noble Anicia family, Kate Wilkinson argues that conventional descriptions of feminine modesty can reveal spaces of agency and self-formation in early Christian women's lives. She uses comparative data from contemporary ethnographic studies of Muslim, Hindu, and indigenous Pakistani women to draw out the possibilities inherent in codes of modesty. Her analysis also draws on performance studies for close readings of Ambrose, Augustine, Jerome and Pelagius. The book begins by locating itself within the complex terrain of feminist historiography, and then addresses three main modes of modest behavior - dress, domesticity and silence. Finally, it addresses the theme of false modesty and explores women's agency in light of Augustinian and Pelagian conceptions of choice.

Why do corporations obey the law? When companies violate the law, what kinds of interventions are most apt to correct their behavior and return them to compliant status? In this book Sally Simpson examines whether the shift towards the use of criminal law, with its emphasis on punishment and stigmatization, is an effective strategy for controlling illegal corporate behavior. She concludes that strict criminalization models will not yield sufficiently high levels of compliance. Empirical data suggest that in most cases cooperative models work best with most corporate offenders. Because some corporate managers, however, respond primarily to instrumental concerns, Simpson argues that compliance should also be buttressed by punitive strategies. Her review and application of the relevant empirical literature on corporate crime and compliance combined with her judicious examination of theory and approaches, make a valuable new contribution to the literature on white-collar crime and deterren

These essays, by anthropologists and anthropological linguists, draw on material from speech communities in three continents to raise fundamental questions about the ways in which interrogative and politeness forms are used in day-to-day social interaction. The authors suggest that interrogative and politeness forms have universal features which make them efficient for certain strategies of interaction. Why should these strategies constantly recur? Here the focus shifts to the consideration of status and power, social roles and social distance. Esther Goody looks at the way in whichy the institutionalization of questioning allows only for speech acts consistent with status differences. Brown and Levinson claim that speech acts are potentially threatening to those being addressed, and that politeness forms have evolved as a mechanism for reducing such threats. They analyse the conditions under which politeness forms will be used and show that their findings are consistent with data draw

Flatland, Edwin Abbott's story of a two-dimensional universe, as told by one of its inhabitants who is introduced to the mysteries of three-dimensional space, has enjoyed an enduring popularity from the time of its publication in 1884. This fully annotated edition enables the modern-day reader to understand and appreciate the many 'dimensions' of this classic satire. Mathematical notes and illustrations enhance the usefulness of Flatland as an elementary introduction to higher-dimensional geometry. Historical notes show connections to late-Victorian England and to classical Greece. Citations from Abbott's other writings as well as the works of Plato and Aristotle serve to interpret the text. Commentary on language and literary style includes numerous definitions of obscure words. An appendix gives a comprehensive account of the life and work of Flatland's remarkable author.

Join James as he escapes from his horrible aunts and sets off inside the peach on his wonderful adventures. This dramatization of Roald Dahl's hugely popular book can be staged in school, acted out at home or simply read together by a group of friends. With suggestions for staging, props and lighting.Roald Dahl died in 1990 but his books continue to be worldwide bestsellers. Richard George was an American elementary school teacher when he adapted James and the Giant Peach as a school play. Roald Dahl loved it and wrote an introduction.

INTRODUCTION Today, the interest in BBQ is growing like never before, with local competitions springing up all over and slow-cooked, smoked meats making their way from hard-to-find back-woods shacks into manicured suburban neighborhoods. People love barbecue and are expressing that love by learning how to do it. If you've decided to learn the craft, or even if you have cooked a few butts in your day, you've probably come across the million blogs, forums, books, and magazines that are available to those that want to perform carnivorous alchemy, and you've likely been overwhelmed by it all. I know I too was.Nowadays, the word barbecue is synonymous with outdoor grilling but for a long time they were considered very different. The history of grilling and barbecue and how they're connected can be at times confusing but the one thing that historians agree on is that barbecue derived from the Native American word "barbacoa," which was the word for a raised wooden rack that was used, among ot

This book covers a wide range of subjects from Latin literature and language to textual history and criticism. E. D. Francis gives a history of the words prae and pro, as adverb, preposition and prefix. H. D. Jocelyn surveys the distribution and differing uses of quotations from Greek poetry in Cicero's prose writings and D. F. S. Thomson takes a fresh look at the manuscript tradition of Catullus. The remaining six articles deal with later authors and are divided equally between the poets and the historians: a reading of Horace's Roman Odes and their relation to the other odes in which he addressed the Roman people; a demonstration of the internal coherence of a Tibullan elegy and two Juvenal satires; a review of disputed readings in the OCT of Livy IX; an analysis of the structure of the prologues to the Annals, Histories and Agricola to cast light on Tacitus' intentions; and a critical review of Tacitus' portrait of Germanicus, generally viewed in a sympathetic light but debated by D

This book reviews the biology of bryophytes and lichens in the polar tundra, where these plants may form a dominant component of the vegetation. It considers adaptation to severe environments in terms of growth form, physiology and reproduction. The role of bryophytes and lichens is discussed in vegetation processes such as colonisation and succession, and in energy flow, nutrient cycling and other functional aspects of polar ecosystems, both natural and as modified by man, The range of microclimates experience by polar cryptograms is described using an energy budget approach, and the environmental relationships of CO2 exchange, stress resistance, growth and other physiological responses are discussed against this background. Reproductive biology is also reviewed as an introduction to a consideration of population ecology, distribution patterns, dispersal potential and the origin and adaptation of polar cryptogamic floras. This book integrates the results of work in the Arctic and the

Scholars of post-communist politics often argue that parties in new democracies lack strong organizations - sizable membership, local presence, and professional management - because they do not need them to win elections and they may hinder a party's flexibility and efficiency in office. Post-Communist Democracies and Party Organization explains why some political parties are better able than others to establish themselves in new democracies and why some excel at staying unified in parliament, whereas others remain dominated by individuals. Focusing on the democratic transitions in post-communist Europe from 1990 to 2010, Margit Tavits demonstrates that the successful establishment of a political party in a new democracy crucially depends on the strength of its organization. Yet not all parties invest in organization development. This book uses data from ten post-communist democracies, including detailed analysis of parties in the Czech Republic, Estonia, Hungary, and Poland.

The Environmental Biology of Agaves and Cacti constitutes the first comprehensive review of how these two interesting and economically important desert succulent taxa respond, in what turn out to be remarkably similar ways, to specific environmental factors such as water, temperature, photosynthetically active radiation, and nutrients, which affect the exchange of carbon dioxide and water vapor with the environment. Park Nobel first summarizes early environmental research as well as the many ethnobotanical uses of agaves and cacti. He then develops the main themes by considering the three most studied species in detail. Much of the relevant research has been carried out in his own laboratory since the mid-1970s. The book's clear style, many photographs and line drawings, and comprehensive data summaries make it accessible to professionals and interested laypeople alike. Every scientific term is defined the first time it is used. Agaves and cacti are shown to be highly productive compar