Parallel Finite-Difference Time-Domain Method

Sensual, pleasurable and the best guide of 365 ways to seriously great sex!Your year of sexual adventure begins with this Kama Sutra book. With 365 seductive positions (one for each day), visual illustrations and tips, you will be roaring with excitement in no time. Discover the spiritual and physical benefits of practising the Kama Sutra.Look forward to better connection and sexual peaks when you explore playfulness, 'mixing it up' and tantric moments. The visual guide includes: - Vibrant artworks that are easy to follow and always a turn on- Erotic tips and tricks with each position to help you reach maximum pleasure- Position selectors tailored to different moods and agility to help you find the perfect position- Updated with quirky, globe-trotting artworks, a proportion of same-sex couples, and gender-neutral language to arouse a new generation of cosmopolitan, inclusive lovers- Stylishly erotic designs, which bring a blast of graphic novel and anime appeal to revive this classicFr

The simplest guide to astronomy and stargazing!Grasping astronomy has never been easier. The awe of the night sky will soon turn into knowledge of the constellations, planets, and astrological phenomena!Bold graphics and easy-to-understand text make this visual guide the perfect introduction to astronomy and stargazing for those who have little time but a big thirst for knowledge. Inside you'll find:- Simple, easy-to-understand graphics that help to explain astronomy, space, and the night sky in a clear, visual way- The latest astronomical information on black holes, gravitational waves, the origin of the Universe, and the planets of the Solar System- User-friendly star-charts that guide you through the sky using brighter stars as "signposts" to locate harder-to-see objects- Essential advice on the practicalities of stargazing - from observing with the naked eye to using telescopesEach pared-back entry covers the essentials more clearly than ever before.

A vibrant vocabulary workbook aimed for children--teaches and tests Spanish, five words at a time. Your first 1,000 Spanish words--five words a day. Over the course of a year, Five Words a Day: Spanish teaches new vocabulary to children who are starting to learn Spanish. Presenting 20 new words between Monday and Thursday, the final day of each week's teaching allows the child to practice the vocabulary they have just learned. A mix of nouns and verbs are taught through beautifully illustrated scenes, with each new word clearly labeled. Five Words a Day first encourages the child to copy out the words before covering them with the flaps on the jacket and testing their new knowledge. Accompanying audio means that children are also able to practice their Spanish pronunciation as many times as they want. With over 1,000 Spanish words, Five Words a Day is a colorful, clear, and comprehensive workbook that will lay the foundations for your child's journey in learning and understanding Spani

Discover the science behind wild and wonderful weather in this fact-packed book!From heatwaves and big freezes to tornadoes and fog, this science book gives your budding meteorologist a glimpse into all the action that happens in the sky. Learn about all kinds of weather and marvel at how powerful it can be!At a time when extreme weather is becoming more and more common, this eco-focused book is perfect for getting your little one clued up about the environment. Throughout the pages of this colorful and energetic STEM book, your child will discover fun facts about the weather. They will also gain insight into serious topics such as global warming and how our climate is changing.Inside the pages of this beautifully illustrated children's science book, you'll learn all about the weather, and discover:- Fascinating illustrations that introduce scientific topics in a simple and accessible way- Stand out facts, presented clearly on each spread- Easy to understand text that teach children ab

From planets and asteroids to black holes and galaxies, every page will captivate young readers as they journey through the vastness of space.Each celestial body is shown both photographically and illustrated, and children will love poring over the detailed close-up images.Engaging storybook-style descriptions of each object allow readers to delve into myths, legends, trivia, and key discoveries about the solar system and beyond. Wonder at the rocky rings around Saturn, discover the tale behind the constellation Centaurus, and gaze at the fountains gushing from Jupiter's moon Enceladus. With reference pages packed with fascinating information, you'll go away knowing something you didn't before, and you'll return time and again.An attractive gift for children who can't get enough of astronomy, The Mysteries of the Universe is perfect for kids to explore by themselves or for bedtime stories.

Some subjects are too interesting to be left at school! Carry on your love of geography and Earth sciences at home with Weather - an activity-packed exploration of weather and how it affects our world, including climate change. Divided into sections, the book starts with fast facts on topics including the atmosphere, the Sun, wind, the water cycle, climate change, and forecasting; and the book ends with charts of climate zones and weather record breakers. Using this information, you can complete the puzzles in the main part of the book, plus there are hands-on activities such as making an anemometer to measure wind speed and a rain gauge to measure rainfall.Finally, test your new-found knowledge with the quick quizzes (with answers supplied, but no peeking!). You can keep track of your achievements throughout with a star-chart to fill in every time you finish a page. Note to parents: The Eyewitness Project Book series is devised and written with the expert advice of educational and rea

Some subjects are too interesting to be left at school! Carry on your love of geography at home with Earth - an activity-packed exploration of our planet and the forces that shape it. Divided into sections, the book starts with fast facts on topics including rocks and minerals, oceans, climate, and volcanoes; and the book ends with charts of Earth facts and record breakers. Using this information, you can complete the puzzles in the main part of the book, plus there are hands-on activities such as rock collecting and weather watching.Finally, test your new-found knowledge with the quick quizzes (with answers supplied, but no peeking!). You can keep track of your achievements throughout with a star-chart to fill in every time you finish a page. Note to parents: The Eyewitness Project Book series is devised and written with the expert advice of educational and reading consultants and is designed to appeal to children aged 8 years and up.First published in 2007-2009, this series has been

Some subjects are too interesting to be left at school! Carry on your love of science and anatomy at home with Human Body - an activity-packed exploration of how our bodies work. Divided into sections, the book starts with fast facts on topics including the skeleton, muscles, brain, sense, heart, and digestion; and the book ends with charts of body organ facts and record breakers. Using this information, you can complete the puzzles in the main part of the book, plus there are hands-on activities such as watching your muscles work, testing your reflexes, and seeing how two eyes work together.Finally, test your new-found knowledge with the quick quizzes (with answers supplied, but no peeking!). You can keep track of your achievements throughout with a star-chart to fill in every time you finish a page. Note to parents: The Eyewitness Project Book series is devised and written with the expert advice of educational and reading consultants and is designed to appeal to children aged 8 years

Some subjects are too interesting to be left at school! Carry on your love of science at home with Stars & Planets - an activity-packed exploration of space and astronomy. Divided into sections, the book starts with fast facts on topics including stars, galaxies, planets, the Solar System, the Universe, and space travel; and the book ends with charts of Solar System facts and space record breakers. Using this information, you can complete the puzzles in the main part of the book, plus there are hands-on activities such as drawing your own scale model of the Solar System and creating a lunar eclipse.Finally, test your new-found knowledge with the quick quizzes (with answers supplied, but no peeking!). You can keep track of your achievements throughout with a star-chart to fill in every time you finish a page. Note to parents: The Eyewitness Project Book series is devised and written with the expert advice of educational and reading consultants and is designed to appeal to children a

A captivating bedtime book with a gentle rhyme, snuggly animal pictures, and a lullaby sound button.Open the sumptuous, twinkly foil cover with a cute teddy bear sleeping on the shimmery moon. Inside,

With a super-duper potty-shaped cover, this brilliant toilet training book for girls will help your child make the transition from nappies to pants in no time.Full of fun rhymes and pictures that will

With a super-duper lift the lid potty-shaped cover, this brilliant toilet training book for boys will help your child make the transition from nappies to pants in no time.Full of fun rhymes and pictur

Travel through the ages, year by year, in this visual history for children told on a timeline that stretches from prehistoric times to the modern day.In this updated volume, the timeline reaches 2018,

About Firearms An Illustrated HistoryThis fascinating visual account of firearms shows everything from the earliest cannons to modern weapons of war. It also highlights how gun technology and military tactics developed in tandem over time.Centuries ago, the Chinese discovered that if they put gunpowder and a projectile into a metal tube and ignited it, they could fire the projectile with enormous force. The first guns were born. Firearms: An Illustrated History showcases over 300 firearms including pistols, revolvers, rifles, shotguns, machine-guns, and artillery, each with annotated close-up photographs and details of their origins, barrel, and calibre. It details the use of the firearms, not just in the military but for sport, hunting, and law enforcement.This comprehensive volume traces the history of firearms, highlighting "turning points" such as the rifle with its parallel spiralled groves that could impart a spin to bullets making them fly straighter. It also showcases iconic fi

Whether you're trying your hand at painting for the first time or honing your artistic ability, Artist's Painting Techniques is the handiest guide to teach you how to paint. Starting with the basics s

125 comprehensive, easy-to-use cards for exam preparationA fantastic aid for test preparation, these flash cards make math crystal clear and will have you exam-ready in no time.Make math super simple! These handy flash cards condense everything you need to know about math into bitesize key facts and crystal clear diagrams. Studying for exams has never been so easy. Math 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 math expert in no time.

Travel back in time and share the experience of everyday thoughts and great moments in history in this fascinating compilation of diaries through the ages. Great Diaries traces the history of the diary from ancient times to the present day, bringing together more than 80 historical and literary diaries, artists' sketchbooks, explorers' journals, and scientists' notebooks. Discover what it was like to build a pyramid, sail the seas with Magellan, travel into the heart of Africa, or serve on the Western Front.Find out how writers and artists planned their masterpieces, and how scientists developed their groundbreaking theories. Great Diaries takes you into the pages of the world's greatest diaries and notebooks, including those of Samuel Pepys, Charles Darwin, Henry-David Thoreau, the Goncourt brothers, Virginia Woolf, and Anne Frank, and shows you what they looked like. Stunning images of the original notebooks and manuscripts are complemented by key extracts and close-ups of important