人们是怎么知道地球是圆的的？你也许会说是哥伦布航海发现的，但其实远在古希腊时期就有了地球是圆的的理论。 从船上的?t望台能看到在甲板上看不到的远方，月相变化，时差的产生，不同地方的人能看到不同的星空等等，这些都表明地球是圆的。 这本英语原版科普绘本提供了丰富有趣的知识，穿越历史，进入太空，启发孩子观察、思考有关地球形状的现象与知识，培养孩子独立思考的精神。 书后有简单的小实验，引导孩子自己动手、观察。

With this amazing pop-up guide, youngastronomers embark on a spectacular 3-D tour of the solar system,from the infernal surface of the sun to the deepest, darkestreaches of space. They explore each of the solar system’s regionsin detail; discover the planets, comets, and asteroids; experiencethe Apollo 11 lunar landing; hitch a ride on the InternationalSpace Station; and even traverse the dusty red surface of Mars.Filled with engaging and informative text, it’s anout-of-this-world look at the mysteries of space.

It’s time to sleep! Who dozes standing on one leg withoutfalling over, snores while flying, or snuggles together in a bigsleepy pile?

This Magic Tree House set including the followingtitles: Night of the Ninjas (Magic Tree House, No. 5) Afternoon on the Amazon (Magic Tree House, No. 6) Sunset of the Sabertooth (Magic Tree House, No. 7) Midnight on the Moon. (Magic Tree House, No. 8)

Beautiful double-page illustrations bring fourteen key periods in history to life. You will see magnificent buildings go up and come down, new churches built on the site of ancient temples, wooden bridges destroyed and then remade in stone, and statues demolished then unearthed many years later. You'll find out how people lived long ago - the tools they used, what they wore, what they ate and what they did all day. In an added twist, you can search for the time traveller in each period and locate the objects that have managed to survive through the ages.

With 3-D Explorer: Safari Animals, take a spectacular 3-Djourney into the African wilderness with five incredible pop-upscenes that provide an in-depth look at the landscapes and animalsof this fascinating continent. From the cool misty mountains ofUganda to the dry dusty plains of Namibia, explore a diverse rangeof habitats and learn how these amazing animals survive their harshenvironments.Includes 5 pop-up scenes:Mountains: Virunga volcanoesin UgandaGrasslands: Serengeti plains in TanzaniaWetlands: Okavangowetlands of BotswanaWater Hole: Etosha National Park in NamibiaOnthe Ground: Kruger National Park in South Africa

The most Awesome Facts Records can now be found in oneterrific book! In That’s Awesome, kids will learn about a book sosmall it can fit on the tip of your nose, the world’s fastesthuman, and the world’s longest snake that is as big as a yellowschool bus! That’s Awesome also has the “gross factor” that kidswill love, such as the world’s smelliest bug, titan beetles thatcan snap pencils in half with their mandibles, and the world’slargest crab, which is equal in size to a garbage container.Kid-appealing subjects include Sports, Games, TV, Music and Movies(pop culture), Breathtaking Geography, Plants and Animals, TheHuman Body, Technology, and The Most Expensive Items in the World.Inside these chapters you will find topics such as:

Winner of a Parents Choice Approved Award, Uncover a Dogtakes an inside look at the special anatomical and behavioralcharacteristics that make dogs our most trusted and lovable animalcompanions. Petting a dog, running with her, playing fetch, orrubbing her belly reminds us of the importance of the friendshipbetween people and their canine pets. Young readers learn all thereis to know about their furry pals, from beagles and basenjis tosalukis and Samoyeds. What makes them different from one another?What’s under the skin of a yellow Labrador retriever? Find theanwsers to these questions and more when you Uncover a Dog!

This Magic Tree House set including the following titles: Night of the Ninjas (Magic Tree House, No. 5) Afternoon on the Amazon (Magic Tree House, No. 6) Sunset of the Sabertooth (Magic Tree House, No. 7) Midnight on the Moon. (Magic Tree House, No. 8)

The ingeniously designed, safe plastic bottle is perfect for catching and viewing creepy crawlies, then letting them go unharmed. This is a bug kit with a conscience! The full-colour book provides field notes to 46 bugs (up from the original 24) arranged by habitat, including pond, forest, ground, leaves, field, flower. Written by entomologist Hugh Danks, the "Bug Book" gives comprehensive information about these fascinating creatures - how they live, what they eat, unusual characteristics, and more.It offers simple, clear guidelines on how to collect and care for bugs, and equally helpful hints on which bugs not to catch. New to the kit are a fold-out bug chart for quick identification, a magnifier to see the critters up close, and a bug explorer's journal to record discoveries. Discover how the whirligig beetle got its name, why fireflies light up, and how water striders walk on water. And then impress parents and friends - here are all the tools kids need to become bona fide bug experts.

A is for APRIL FOOLS' DAY, Horrid Henry's favourite day of theyear (except his birthday, of course.) B is for BOGEY BABYSITTER,Rabid Rebecca, the toughest teen in town. C is for CHRISTMASPRESENTS, Father Christmas had better get it right this year! Fromthe Purple Hand to pink frilly knickers; supersoakers to SourSusan; football fiends to fizzywhiz drinks; demon dinner ladies toDungeon Drinks - this book has it all and more. An encyclopaedia ofabsolutely EVERYTHING you ever wanted to know about HorridHenry.

Dolphins have long been a source of fascination for humans fortheir immense intelligence, charming personalities, and magnificentacrobatics. But there are lots of things that we don’t know aboutthese captivating mammals: Did you know that there are 37 differentspecies of dolphins? Or that dolphins drink milk? That they takenaps? Or that some scientists believe that the dolphin’s ancestorsonce walked upright on land? Here, 3-D, layered models let childrenlook through a dolphin's insides while they encounter interestingfacts and vivid illustrations along the way.

Understanding science means understanding the world aroundyou. It also means having fun! The Super Science Book usesstuff you can find around the house to explain and demonstratedozens of science concepts. The explanations are clear and theexperiments and activities let you see and understand the scienceclose-up. Use the book to satisfy your scientific curiosity, or toprovide ideas for science fair projects.

Weather is all around us, and it affects everyone--bothpositively and negatively. But it can be hard to understand,especially since it often changes so quickly.With Weather Lab, kidsages 8 and up can chart weather patterns, create a weather station,and make their own forecasts--just like meteorologists do! Thisbook comes with everything they need to perform 50 hands-onexperiments that will teach them about our weather, including atest tube with lid, thermometer and wind cups. Step by stepinstructions and diagrams will help them create mini tornadoes andbuild their own barometers, wind vanes, and rain gauges as theydiscover how air, water, and temperature can cause everything froma summer breeze to a hurricane.Weather Lab is the ultimate guide tolearning about the science behind our atmosphere--and the perfectkit for whipping up a storm of fun!

A is for APRIL FOOLS' DAY, Horrid Henry's favourite day of the year (except his birthday, of course.) B is for BOGEY BABYSITTER, Rabid Rebecca, the toughest teen in town. C is for CHRISTMAS PRESENTS, Father Christmas had better get it right this year! From the Purple Hand to pink frilly knickers; supersoakers to Sour Susan; football fiends to fizzywhiz drinks; demon dinner ladies to Dungeon Drinks - this book has it all and more. An encyclopaedia of absolutely EVERYTHING you ever wanted to know about Horrid Henry.