Search and Classification Using Multiple Autonomous Vehicles

A new collaboration with Australian Women’s Weekly―a series of creative, accessible, reliable branded recipe books with fresh photography and a modern design.A curated collection of all-new, triple-tested, healthy recipes from the Australian Women’s Weekly.Australian Women’s Weekly’s triple-tested, fuss-free recipes are trusted favorites around the world, and now you can also enjoy them with this collectible series of cookbooks. Australian Women’s Weekly (AWW) is one of the most popular and reliable sources of recipes for its vast readership in Australia, New Zealand, and beyond. This recipe series taps into AWW’s extensive archive for exclusive combinations of recipes, allowing us to create cookbooks that capitalize on the latest healthy lifestyle trends, which are so often led by the Australian market. With an existing selection of exciting and beautifully photographed recipes, the AWW recipe series will include both classic and current food and diet trends, from one-pot cooking and

A new collaboration with Australian Women’s Weekly―a series of creative, accessible, reliable branded recipe books with fresh photography and a modern design.A curated collection of all-new, triple-tested, healthy recipes from the Australian Women’s Weekly.Australian Women’s Weekly’s triple-tested, fuss-free recipes are trusted favorites around the world, and now you can also enjoy them with this collectible series of cookbooks. Australian Women’s Weekly (AWW) is one of the most popular and reliable sources of recipes for its vast readership in Australia, New Zealand, and beyond. This recipe series taps into AWW’s extensive archive for exclusive combinations of recipes, allowing us to create cookbooks that capitalize on the latest healthy lifestyle trends, which are so often led by the Australian market. With an existing selection of exciting and beautifully photographed recipes, the AWW recipe series will include both classic and current food and diet trends, from one-pot cooking and

The ultimate visual guide to successful management.Are you looking to take the new step in your career? Can you manage yourself with ease, but need more confidence when managing others?Achieving excellence as a manager requires a broad skill set, and The Essential Manager’s Handbook provides easy-to-follow and engaging advice on the seven key areas. Nurture your confidence with managing people, leadership, achieving high performance, effective communication, presenting, negotiating, and flexible working.With key quotes, bright visuals, and breakdowns by subject, this book is accessible and easy to use. Interactive tips and checklists will encourage you to jot down your thoughts, examining past and present workplace experiences that you can learn from. Expert insights from management professionals and step-by-step instructions will help you understand how to deal with challenges and gain valuable management skills for life.This accessible and clear guide is packed with practical, no-non

This fun-filled activity book will teach you all about rocks and minerals with exciting activities, puzzles and more!Uncover all there is to know about the rocks and minerals beneath your feet in this fun-filled activity book. Dig up the Earth's hidden wonders, from ancient rocks to glittering gems, strike gold, and get lost amongst the ancient ruins. No stone is left unturned in this essential activity book!While kids pore over the pages packed with fascinating facts, the fun challenges, quizzes and puzzles will inspire creativity.Explore the relics and ruins of ancient civilisations and have a go at drawing your own, pick out the fake jewels from the real with a spot the difference game, and twist and turn through the maze to discover mysterious caves. Many more buried adventures await you, if you dare to unearth them! With lively activities that go hand in hand with the educational content, learning has never been so effortlessly fun and easy! Perfect for inquisitive, fact-loving ki

Discover the key battles, tactics, technologies, and turning points of the Second World War – the epic conflict that shaped the modern world.Combining authoritative, exciting text and bold explanatory graphics, The World War II Book explores the causes, key events, and lasting consequences of the Second World War.Using the original, graphic-led approach of the series, entries profile more than 90 of the key ideas and events during and surrounding the conflict – from the rise of Hitler and Fascism in the 1930s to Pearl Harbor, the D-Day landings, and the bombing of Hiroshima to the founding of the State of Israel in 1948.Offering a uniquely compelling, accessible, and immediate history of the war, The World War II Book shows how key battles, political and economic forces, individual leaders, and technological advances influenced the course of the conflict.

The complete practical guide to spellcraft, bringing the ancient wisdom of witches into the modern world.Connect with the mystical energies of the universe and turn your dreams and desires into powerful intentions.Whatever your hopes and dreams, this beautiful book will help you manifest your desires, embrace your spiritual strength, and fulfill your own awesome potential.Discover spells, incantations, and potions for every situation in which the power of magical intention can be used to enhance and transform your life. This book shows how you can activate and shape natural energy to achieve your unique goals.Transform vague wishes into the focused intentions that are at the heart of successful spell-casting. Cast candle, ribbon, and herbal spells; use crystals, gemstones, amulets, and talismans; make magical potions; and practice empowering rituals. Each spell is set out in simple, easy-to-follow steps, ideal for those beginning their witchcraft journey. Beautifully illustrated throug

A jargon-free, highly visual guide to every aspect of politics, from political philosophy to 21st-century activism.Discover everything you need to know about political history and thought, and the inner workings of governments around the world with this unique graphic guide.Combining clear, jargon-free language and bold, eye-catching graphics, How Politics Works is a comprehensive and user-friendly guide to all aspects of politics. Covering everything from political theory to methods of government, the book presents the ideas and theories of key political philosophers, leaders, movements, and activists in a uniquely visual and easy-to-understand way. Explaining political ideas on a conceptual level, entries explore how they apply to governments, movements, and trends throughout history, along with 21st-century examples such as the Feminist movement and #BlackLivesMatter. The book also shows how political history is affected by economics, sociology, and the role of the media―an ever-rel

Follow the life lessons of 30 remarkable women of colour who are making their mark on society and culture.“When you are struggling and you start thinking about giving up, I want you to remember something … and that is the power of hope.” ―Michelle Obama (White House speech, 2017) We Go High brings together the inspiring stories, motivational quotes, and personal philosophies of 30 influential women of color who have sought to overcome challenges in their lives.From activists to scientists, artists to sporting icons, each woman’s story is different―but all have in common a deep-seated resilience to fight against the prejudices and barriers to success that women of color face on a daily basis. The book features political powerhouses such as Kamala Harris and Stacey Abrams, as well as businesswomen like Arundhati Bhattacharya and Angelica Ross, and writers Michaela Coel and Amanda Gorman. With 30 stunning, specially commissioned portraits, We Go High not only celebrates these remarkable w

Learn and memorize Earth’s building blocksHave you ever looked at the Periodic Table and wondered whether you’ll ever be able to learn all the major elements? Well you can, and it’s never been easier with DK’s Periodic Table flash cards. Each colorful card can be used as a quick card and includes a photo of the element in its raw state or in use, and all the facts you need to memorize, such as atomic number and chemical properties.Whether you’re studying for tests or just want to expand your knowledge of science, these flash cards are the handy aids you need to learn just about everything you need to know about Dmitri Mendeleev’s groundbreaking Periodic Table. Included is a leaflet showing the whole Periodic Table and how to read it, plus lots of ideas for games to play. Whether you just want to have fun, test your friends, or master one of science’s most iconic charts, with these cards you’ll be in your element!

This highly accessible guide to world history brings key milestones and events to life in visual timelines.Packed with illustrations and fascinating facts, this book tells the story of the events that shaped our world.From the origins of the first humans to the political turmoil of the 21st century, Timelines of World History brings the key milestones of world history vividly to life, explaining each of them through contemporary artworks, photographs, documents, maps, and artifacts.This inclusive exploration of human history takes readers on a journey around the world and through the ages, from the emergence of the first cities in Mesopotamia, through China’s Golden Age, to the Industrial Revolution, right through to the key events of the last 100 years, such as the Cold War and the impact of the Internet. Selected images are showcased and analyzed, providing a detailed look at the stories of past events, while feature boxes and mini-timelines tell you everything you need to know about

Make learning high frequency words fun with this beautifully illustrated pack of 100 flash cards.On one side of each card is an essential high frequency word (words that frequently appear in text and are best remembered by sight) in large, bold lettering for easy reading. On the reverse, the word is repeated with a simple example sentence and illustration to put the word into context. Children can use the cards to learn the meaning of high frequency words before memorizing the words and testing their knowledge.Five additional cards are packed with suggestions for educational games and activities. Simple to use and fun, these flash cards are made of sturdy laminated cardboard and are suitable for young hands to play with again and again.

Make learning new vocabulary fun with these beautifully illustrated flash cards. Introducing 100 essential first words these cards are perfect for children beginning to learn English as a first or second language.English for Everyone Junior: My First Words Flash Cards have been designed for children who are starting to read and speak English. Each beautifully illustrated card features an essential first word and an image on one side. On the reverse, just the image is shown so children can test their knowledge.Five additional cards are packed with suggestions for educational games and activities. Simple to use and fun, these flash cards are made of sturdy laminated cardboard and are suitable for young hands to play with again and again.

Combining graceful design and beautiful imagery, this book provides an elegant introduction to the plant kingdom.Discover the extraordinary diversity of the plant world―and how plants work―with this photographic celebration of the trees, flowers, and foliage plants that share our planet. From tiny mosses and delicate ferns to vibrant blooms and stately palms, Botany invites you to explore the plant kingdom from the ground up, and from root to leaf tip. DK’s elegant introduction to botany is packed with sumptuous photos and crystal-clear artworks that explain the mechanics of photosynthesis, why leaves change color, how cacti store water, and how seeds know when to grow. Filled with fascinating stories of how plants protect themselves from predators, and how flowers use color and scent to interact with―and manipulate―the creatures around them, Botany is a fresh and engaging introduction to the mysterious inner workings of the plant world.

Discover how the migration of peoples has shaped the modern world.This beautifully illustrated book details the movement of people and cultures around the world – from the early migrations of Homo erectus out of Africa 50,000 years ago to modern refugee movements and migrations. Through vibrant photographs, illustrations, and maps, Migrations explores famous (and infamous) movements in history, from the Middle Passage and Trail of Tears to the California Gold Rush, the Italian diaspora, and the Windrush generation. While many traditional world histories focus on (mainly European) “exploration” and “discovery,” Migrations explores the story of each continent and focuses on cultures rather than conquest. Migrations highlights the human story and the positives: what has survived, not just what was destroyed. Migrations is a history book with a fresh perspective, focusing on a topic ever more relevant in the modern world: Where did we come from? And what brought us here?

What would Harry do?Famously charming, fabulously dressed, and unapologetically himself―there are so many reasons to want to be more Harry Styles. This book will show you how to channel this once-in-a-generation pop icon.Following his stratospheric levels of fame as a member of One Direction, Harry has carved out his own unique path in the industry as a solo artist, actor, and fashion icon. Harry’s approach to life, career, music, relationships, and style is inspirational to anyone who wants to subvert expectations, be authentically themselves, and treat people with kindnessBe More Harry Styles is the perfect gift for Harry Styles fans.

The secret world of trees is revealed in this beautiful and absorbing guide to the giants of the plant world. Trees occur naturally throughout the world and have been a part of human history almost as long as humans have existed. Used for shelter, tools, fuel, and food, they also help supply the atmosphere with oxygen and form astonishingly diverse ecosystems, as well as some of the world’s most beautiful landscapes. Now the intricate world of leafy woodlands and abundant rainforests is revealed in this extensive visual guide to trees, exploring their key scientific traits and their ecological importance, as well as their enduring significance in human history and culture. From ancient oaks and great redwoods to lush banyans and imposing kapoks, The Tree Book reveals the anatomy, behaviors, and beauty of these incredible plants and habitats in detail. Combining natural history and a scientific overview with a wider look at the history, uses, symbolism, and mythology of trees, this book

A brilliant quiz book for clever kids – put your knowledge about planet Earth to the test and dazzle your family and friends with your brainpower!Can you find the Red Sea, Black Sea, and Yellow Sea on a map? Do you know what makes the Gobi Desert different from the Sahara? No? Then this is the book for you!Earth Knowledge Genius! is packed with more than 60 topics, including the highest mountains, largest deserts, most extreme weather, breathtaking natural wonders, and much more! As you hop from one continent to the next, you will not only learn more about our fascinating world, but will also have fun in this brilliantly entertaining quiz book for kids and the whole family. The pages are packed with eye-popping pictures – but do you know what they show? To help you, “Test Yourself” boxes list what you’re looking for. With three levels of difficulty, the challenge gets harder as you work your way from Starter, to Challenger, and finally the truly tricky Genius category. If you need it,

Become an eyewitness to the American struggle for independence, from the events that sparked the war to the signing of the Constitution. This picture-led guide will take you on a visual tour through revolutionary America. Discover how American soldiers won battles against the British, plus see the muskets and cannons of the armies, learn how soldiers were drilled, and find out why Yorktown was not the end of the Revolution.Eyewitness American Revolution will bring you face-to-face with American revolutionaries including George Washington, Thomas Jefferson, John Hancock, John Adams, and Benjamin Franklin. This museum in a book uses striking full-color photographs and illustrations of colonial weaponry, the notorious British redcoat uniform, deadly warships, the historic Declaration of Independence, and much more as well as amazing facts, infographics, statistics, and timelines to help bring this extraordinary war to life.Part of DK’s best-selling Eyewitness series, which is now getting

Become an eyewitness to the American struggle for independence, from the events that sparked the war to the signing of the Constitution. This picture-led guide will take you on a visual tour through revolutionary America. Discover how American soldiers won battles against the British, plus see the muskets and cannons of the armies, learn how soldiers were drilled, and find out why Yorktown was not the end of the Revolution. Eyewitness American Revolution will bring you face-to-face with American revolutionaries including George Washington, Thomas Jefferson, John Hancock, John Adams, and Benjamin Franklin. This museum in a book uses striking full-color photographs and illustrations of colonial weaponry, the notorious British redcoat uniform, deadly warships, the historic Declaration of Independence, and much more as well as amazing facts, infographics, statistics, and timelines to help bring this extraordinary war to life. Part of DK’s best-selling Eyewitness series, which is now gett

Become an expert on all types of weather and how and why they happen.Why does it rain? How hot is a bolt of lightning? What makes hurricanes form, and how does climate change affect the weather? What happens when a cold front rolls in? Become a meteorology expert and set up your own home weather station, and learn to read nature’s own signs of changing weather. Eyewitness Weather shows you what weather looks like, from a tropical storm cloud seen from above to close-ups of snowflake crystals. Learn about what weather scientists do, why weather works differently on the coast and inland, and much more along with amazing facts, infographics, statistics, and timelines to reveal this civilization’s secrets as never before.Part of DK’s best-selling Eyewitness series, which is now getting an exciting makeover, this popular title has been reinvigorated for the next generation of information-seekers and stay-at-home explorers, with a fresh new look, new photographs, updated information, and a n

Become an expert on all types of weather and how and why they happen. Why does it rain? How hot is a bolt of lightning? What makes hurricanes form, and how does climate change affect the weather? What happens when a cold front rolls in? Become a meteorology expert and set up your own home weather station, and learn to read nature’s own signs of changing weather. Eyewitness Weather shows you what weather looks like, from a tropical storm cloud seen from above to close-ups of snowflake crystals. Learn about what weather scientists do, why weather works differently on the coast and inland, and much more along with amazing facts, infographics, statistics, and timelines to reveal this civilization’s secrets as never before. Part of DK’s best-selling Eyewitness series, which is now getting an exciting makeover, this popular title has been reinvigorated for the next generation of information-seekers and stay-at-home explorers, with a fresh new look, new photographs, updated information, and

Your body is amazing. It keeps you alive and carries you around every day. But how much do you really know about what’s going on beneath the surface?Jump on board and take a journey under your skin, through your insides, and back in time to explore milestones in medicine and the latest scientific discoveries about the human body.Why is snot green? How does skin heal itself? Why did Ancient Romans use their pee to try to whiten their teeth? Packed full of disgusting and delightful facts, this book contains the amazing answers to these questions and more. Filled with bite-sized chunks of information, The Body Book covers everything from the brain, skull, and mental health, through to how your body protects itself and how surgery has evolved through the ages. Other topics include what poop can tell us about the body, a timeline of pandemics through history, and amazing recent medical advances such as 3-D-printed prosthetic limbs. The Body Book is an ideal introduction to human anatomy and

A book-and-card collection of 50 fun outdoor challenges to make any family camping trip one to remember, whatever the weather.Ranging from the silly to the sublime, once you’ve tried any of the 50 challenges in this brilliant book-and-card set, it will become a must-pack for all family camping trips.Featuring 50 boredom-busting ideas, never struggle for something to do on your next camping break with this collection of brilliant challenges. Not only will the cards keep the kids active, engaged, and laughing day or night and whatever the weather, the games are fun for grown-ups to play, too. Challenge themes covered include look-and-find, creative, active, LOL, and more, with each one only ever needing equipment regularly taken on a camping trip or items you can easily find in nature. So whether it’s going on a creepy crawly hunt, taking part in the sleeping bag triathlon, or trying to sing your favorite song around the campfire with eight marshmallows shoved in your mouth, kids and adu

Learn all about dinosaurs in this amazing activity book for kids packed with exciting activities, puzzles, and more!Do you know your Brachiosaurus from your Stegosaurus? Or that some dinosaurs, like the Compsognathus, were the same size as chickens? This colorful activity book tests your dinosaur knowledge as you solve puzzles, draw your favorite dinosaurs, and enjoy lots more fun activities. Helpful pronunciation guides teach you how to say the names of all kinds of dinosaurs, from the fierce Giganotosaurus to the small but powerful Deinonychus, as you learn fascinating facts about how dinosaurs looked and how they behaved.

Learn all about the human body in this amazing activity book for kids packed with exciting activities, puzzles, and more!How much do you know about your own body, and how it works? This fact-packed activity book tells you everything you never knew about how your muscles make you move, the importance of your five senses, and more!

This stunning visual guide explores and explains the defining eras, key moments, and outstanding people that have made history. In the same series as the New Children’s Encyclopedia and DK Visual Encyclopedias of Science, Art, and Geography (among others), this brand new history encyclopedia will help children, parents, and educators grasp the events, personalities, and inventions that have changed the world. From the earliest civilizations in Mesopotamia and India to the rise of populism in the US and China’s growth as a global power, this book gives you the facts about all major historical periods.Illustrated with over 1,500 photographs, artifacts, and maps, History: A Visual Encyclopedia is a way in to understanding the diversity of world history, from the African kingdoms that predated colonialism and the cultures of the pre-Colombian Americas to the dynasties that have ruled China for thousands of years and the many empires that have come and gone over the centuries in Asia and Eu

This stunning visual guide explores and explains the defining eras, key moments, and outstanding people that have made history.In the same series as the New Children’s Encyclopedia and DK Visual Encyclopedias of Science, Art, and Geography (among others), this brand new history encyclopedia will help children, parents, and educators grasp the events, personalities, and inventions that have changed the world. From the earliest civilizations in Mesopotamia and India to the rise of populism in the US and China’s growth as a global power, this book gives you the facts about all major historical periods.Illustrated with over 1,500 photographs, artifacts, and maps, History: A Visual Encyclopedia is a way in to understanding the diversity of world history, from the African kingdoms that predated colonialism and the cultures of the pre-Colombian Americas to the dynasties that have ruled China for thousands of years and the many empires that have come and gone over the centuries in Asia and Eur

A stunning picture book about the power of hope.A lonely little kitten wanders into a dull, gray station, full of dull, gray people. Her colorful fur and bright green eyes bring warmth and life to this weary place, and soon people begin to notice the kitten. As she learns about the different travelers and their struggles from loss and loneliness, the little kitten wants to help fill their world with hope and color, too. In this timely and important book, author and illustrator Stephen Hogtun shows young readers the pride and sense of purpose that can come from helping others.

Classic Dutch language course, now revised and updated with a new audio app Learn to speak Dutch in just three months with this practical and comprehensive self-study language course. Whether you're a complete beginner or want to refresh your knowledge, DK's Hugo Dutch in 3 Months will have you speaking Dutch fluently in just 12 weeks. With a fresh new look and an accompanying audio app, the latest edition of this classic self-study course provides all the resources needed to speak, read, and write in Dutch. The 12 weekly chapters contain lessons on the key grammatical structures and present a range of useful vocabulary, along with exercises to reinforce your learning. The essentials of Dutch grammar are clearly explained and tested in conversational exercises, giving you the authentic feel of the language. In addition to a written "imitated pronunciation" guide, which replaces Dutch sounds with English syllables you're already familiar with, the new audio app also allows you to perfec

The diversity and drama of the bird world brought to breathtaking life in an encyclopedic new editionUnrivaled in scope for a single-volume reference work, this photographic guide to every bird order

A cool compendium of extraordinary figures and number-based facts about everything in the world from animals to art.Zillions of fun figures at your fingertips!Are you eager to know all the most incred

Start learning English as a second language with this visually stimulating practice book for children ages 6-9. Accompanying the English for Everyone Junior: Beginner's Course, this beautifully illustrated workbook features an abundance of vocabulary and grammar exercises for children learning English as a foreign language. When it comes to languages, practice really does make perfect! This work book guides young linguistic learners through exercises and activities to consolidate what they've learnt and build confidence in their skills.Making use of a range of both familiar and new exercise mechanisms, this practice book is an invaluable research tool to test the vocabulary and grammar structures taught in the course book. Immerse yourself in this practical ESL learning material, which includes: -Over 1,000 vocabulary and grammar exercises -Lay-flat binding, making the book easier to write in -Extensive accompanying audio resources that can be accessed via the website and the app -The

Start learning English as a second language with this visually stimulating practice book for children ages 6-9. Accompanying the English for Everyone Junior: Beginner's Course, this beautifully illustrated workbook features an abundance of vocabulary and grammar exercises for children learning English as a foreign language. When it comes to languages, practice really does make perfect! This work book guides young linguistic learners through exercises and activities to consolidate what they've learnt and build confidence in their skills.Making use of a range of both familiar and new exercise mechanisms, this practice book is an invaluable research tool to test the vocabulary and grammar structures taught in the course book. Immerse yourself in this practical ESL learning material, which includes: -Over 1,000 vocabulary and grammar exercises -Lay-flat binding, making the book easier to write in -Extensive accompanying audio resources that can be accessed via the website and the app -The

125 comprehensive, easy-to-use cards for exam preparationA fantastic aid for exam preparation, these flash cards make biology crystal clear and will have you exam-ready in no time.Make biology super simple! These handy revision cards condense everything you need to know about biology into bitesize key facts and crystal clear diagrams. Studying for exams has never been so easy. Biology is explained in simple, user-friendly language, with colorful illustrations to help you grasp difficult concepts at a glance. Whether you’re catching up on lessons, doing homework, or revising for exams, these super simple cards will make you a biology expert in no time.

125 comprehensive, easy-to-use cards for exam preparationA fantastic aid for exam preparation, these flash cards make chemistry crystal clear and will have you exam-ready in no time.Make chemistry super simple! These handy revision cards condense everything you need to know about chemistry into bitesize key facts and crystal clear diagrams. Studying for exams has never been so easy. Chemistry is explained in simple, user-friendly language, with colorful illustrations to help you grasp difficult concepts at a glance. Whether you’re catching up on lessons, doing homework, or revising for exams, these super simple cards will make you a chemistry expert in no time.

This book explains and explores the essential terms and key concepts in the world of business, finance, and company management. If you're perplexed by profit margins, confused by cash flow, or baffled by balance sheets, all your questions and many more are answered in this indispensable guide. Grasp how companies work, from management to research and development, and sales and marketing to production and distribution. Eye-catching visual aids give a helpful representation of each and every aspect of business, while the complex subject matter is broken down into clear definitions and concise explanations, expressed in easy-to-understand language. Crammed with essential know-how, How Business Works is perfect for anyone looking to boost their business brain or learn the ropes from the ground to the top.

From sporting heroes and inspired goals to defensive strategies and the offside rule, this is the ultimate guide to the world's greatest sport. Visit Planet Soccer - everything you need to know about the clubs, the fans, the rituals, the stats, and the results worldwide is here. Eye-catching step-by-step artworks and jargon-free text profile the roles of players, equipment, team formations, strategies, and individual skills, while maps, quotes, and statistics give you all of the key facts on national teams, famous club sides, and iconic players, as well as the greatest competitions around the world. Published in time for the UEFA Euro 2020, The Soccer Book also reveals the story behind the game - from the history of the sport to the results of tournaments in the 2018-19 season.

She is benevolent and nurturing, yet fierce and terrible, a warrior and a lover. She creates and gives life, is death personified, and the one who grants eternal salvation. She is the ultimate form of reality, the cosmos.The Goddess inspires deep devotion and it is not surprising to see Her being worshipped and revered across homes in India. Shakti delves into this rich tradition of the Divine Feminine as She is represented across India and the subcontinent. In Shakti, encounter the Goddess in all Her glory and numerous forms.Dive deep into Her fascinating mythology and rituals. Unravel the philosophy behind Her worship and Her adaptation within many belief systems. From the origins of the Goddess in the ancient civilization of Harappa to Her evolution and changed character in contemporary times, Shakti tells the complete story of the Goddess in a linear fashion.During the course of its narrative, it brings together the diverse threads from different cultures, regions, and traditions t

Embark on an unforgettable time-travelling journey along one of the world's greatest landmarks: the Great Wall of China. Spanning 2,700 years and over 21,000km (13,000 miles), this beautifully illustrated children's book reveals the fascinating story of the Great Wall and the individuals that helped build it. What started out as a frontier defence against northern tribesmen has, over time, become one of the seven great wonders of the world.Exquisite panoramic illustrations and engaging text bring to life key periods and turning points in the Great Wall's history - from the first defensive forts built in 656 BCE to its painstaking present-day restoration. Cutaway views reveal the interiors of important buildings, and pull-out details introduce fascinating facts and key characters. Children will also love searching for the adventurous time-travelling fox who appears in each of the artworks.Perfect for parents and children to pore over together, The Great Wall Through Time makes a gorgeou

Learn how NOT to believe what you see with this book of eye-popping pop-up visual tricks. From the classic "which dot is bigger?" or "is this line straight?" illusions to the first-ever 3D trick to appear in a book, Optical Illusions is packed with picture puzzles. Every illusion is set up to challenge what you think you see.There are hints and tips of how to approach the illusion, and then an explanation of how it works and why you were fooled (and you will be!). There are also flaps, tabs, and a decoder to test the answers, so you can check whether different-looking colours are actually the same, or if those lines really are wonky. All kinds of visual tricks are featured, including distortion, motion, colour and brightness, ambiguous illusions, impossible objects, hidden images...but the stars of the show are two large interactive illusions - the "thaumatrope" spinner that puts a bird in a cage, and a 3D perspective sculpture. Even though you will build it yourself and know which bit