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。

出版社: Simon & Schuster Books for Young Readers; Reprint (2013年9月3日) 丛书名: George's Secret Key 平装: 304页 读者对象: 8 - 12 岁 语种： 英语 商品尺寸: 14 x 2.3 x 21 cm 商品重量: 286 g

When it comes to wild animals, everyone knows that there arecertain things you just don't do. It's clearly a bad idea to teasea tiger, pull a python's tail, or bother a black widow spider. Butdo you know how dangerous it can be to pet a platypus, collect acone shell, or touch a tang fish? Some creatures have developedunusual ways of protecting themselves or catching prey, and thiscan make them unexpectedly hazardous to your health. In thisdynamic and fascinating picture book by Steve Jenkins, you'll findout what you should "never" do if you encounter one of thesesurprisingly dangerous animals.

Morggan, the Magical Librarian of Camelot, asks Jack and Annieto find the four magic gifts that will free an enchanted dog from aspell. The quest leads them to a ship lost at sea, the GreatPlains, and the forests of India and Australia. But will they learnthe secret of the dog they call Teddy? This boxed set includes fourexciting Magic Tree House adventures: #17: Tonight on the Titanic,#18: Buffalo Before Breakfast, #19: Tigers at Twilight, #20:Dingoes at Dinnertime, as well as a bonus packet of puzzles andgames!

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)

The Magic Tree House adventures continue in books 9—12. Morganthe magical librarian of Camelot challenges Jack and Annie todiscover the answers to four riddles as they travel under the seato the Wild West, the African plains, and the frozen Arctic. Ifthey succeed, they will become Master Librarians! Books in this setinclude:Dolphins at Daybreak (#9)Ghost Town at Sundown (#10) Lionsat Lunchtime (#11) Polar Bears past Bedtime (#12) Magic Tree HouseBooks #9—12.

From the expert team behind "It's Perfectly Normal" and "It's So Amazing " comes a book for younger children about their bodies--a resource that parents, teachers, librarians, health care providers, and clergy can use with ease and confidence. Full color.

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:

In this evocative wordless book, internationally acclaimed artist Suzy Lee tells the story of a little girl's day at the beach. Stunning in their simplicity, Lee's illustrations, in just two shades of watercolor, create a vibrant story full of joy and laughter. New York Times Best Illustrated Children's Book 2008

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

Magic Tree House--神奇树屋系列已发行了36种版本，销售量超过80，000，000册，是大出版集团兰登书屋18年经典之作。是兰登书屋的经典具代表性的一套小学生读物！ 「神奇树屋」（Magic Tree House）系列描述一对小兄妹杰克与安妮的冒险故事。八岁半的哥哥杰克，理性冷静，喜欢看书，他会将沿途看到的事物，重点式的记录在笔记本上；而七岁的妹妹安妮，喜爱幻想与冒险，并且勇于尝试。 这两个一动一静、个性截然不同的兄妹，在森林裡发现了一个堆满书的神奇树屋，神奇树屋就像时光机器，带他们到一个个不同的时空中旅行。 在1-4集中，兄妹俩来到史前时代的恐龙谷、和骑士探访中古世纪的城堡、到古埃及破解木乃伊的秘密、跟着海盗出海寻宝 ，他们要完成四次历险，循线索找出神祕人M的真正身分 「神奇树屋」的主人摩根。每一次的冒险都紧

Brr! Bundle up, kids, you're about to depart on an incredible,icy expedition in The Field Guide to Polar Animals. In this cleverbook, kids will discover the 1920s journal of a fictional zoologistwho traveled to the subarctic region and Antarctica. The journal isfilled with observations about the animals he encounters on hisjourney to the ends of the earth. From polar bears to penguins,kids will learn all about wildlife in the planet's most extremeenvironments. Detailed illustrations, maps, photographs, andhandwritten diary excerpts make readers feel as if they're part ofthe expedition. Kids can also create a 3-D polar scene with afull-color diorama and eight easy-to-assemble polar animals thatcome with the book. Very cool. The Field Guide series offers anexceptional experience to young pioneers who want to explore exoticplaces. As readers learn interesting facts about eight differentanimals, they can construct models of their furry and featheryfriends to play with. Each book provides a beautifully illu

From the sunlit surface to the darkness of the deep, this book explores the fascinating life forms that exist in our oceans. Peer in to the depths of this tunnel effect book and investigate each zone of the ocean.

Leave it to the authors of the best-selling Worst-Case Scenario series to serve up a hilarious and totally "gross" handbook that will guide kids through all things slippery, slimy, and stinky. Find out how to survive boogers, bloody noses, barfing emergencies, and more. The tips in this book will have kids laughing out loud, while gearing them up to tackle all that's utterly disgusting in life, Worst-Case Scenario-style