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。

Holidays Heroes（《美国的纪念日》）系列介绍了美国的纪念日、节日，以及与之相关的历史人物、社会事件等，文字简洁生动，图片丰富多样，适合小学生学习历史，了解美国文化，关注社会进步。免费赠送英语朗读音频，地道的英文表达帮助孩子扩充英语词汇量，提高英语阅读能力。 本册Let sCelebrateLaborDay（《劳动节》）讲的是有关美国劳动节的知识。所有美国人都喜欢庆祝劳动节，这是个周末，游行再加上野餐，非常欢乐。不过，在9月伊始的周一，也别忘了这个节日的真正意义：致敬美国所有的劳动者，尤其是那些为没有危险的工作环境和公平报酬而奋斗的工人们。

Every year like clockwork, animals both big and small aredriven by a natural instinct to move, in order to survive. On bothland and sea, they fight the odds and the forces of nature tobreed, feed, or lead and carry on for future generations. Thisreader is an introduction to the treacherous trek of the zebra,walrus, and Christmas Island red crab to overcome obstacles thatinclude hungry cheetahs, stinging yellow crazy ants, and even theirfellow species to make the often impossible journey of theirlives.

This book is one of a new series of books, "Read andDiscover", designed to encourage children to learn about the worldas they learn to read. You can use it for fishing, hunting, tying,pulling, lifting and carrying - a piece of string is a wonderfulthing! It supports KS1-2 Science and Literacy. It is written inconsultation with the Centre for Literacy in Primary Education. Itoffers non-fiction for developing readers. It features texts andillustrations which support children learning to read. It containsextra information section at the back of the book with index,author and illustrator biography.

Each person in the United States makes almost five pounds oftrash every day. That’s more trash per person per day than peoplemake in any other country! We throw away everything from applecores to bicycles. Sometimes, we even throw away things that couldbe poisonous if they aren’t disposed of properly. And often, wethrow away things we shouldn’t, things we could use again. So, whathappens to all our trash? How does it affect the environment? Andhow can we stop making so much of it? Read and find o

Branley explains these powerful storms in simple terms youngchildren can understand. He describes the funnel cloud and how itforms and [tells] what to do during a tornado. The book ends on acomfortable note, that the idea is not to panic but to know what todo to ensure safety.

When the Magic School Bus turns into a beehive, Ms. Frizzle's class learns firsthand about how workers, drones, and the queen bees live together. Readers will be abuzz with knowledge as they discover how honeybees find food; make a comb, honey, and beeswax; and care for their young, all from the bee's perspective.

Bats fly into the spotlight in this exploration of such basics as where the live, how mothers raise their pups, and how they hunt for food. Included as well is a simple plan for a building a backyard bat house.

“神奇树屋”系列是由全球*的出版企业美国兰登书屋历经十五年倾力打造的一部儿童经典。 在“神奇树屋”的祖国：美国，这是一套设计给从学龄前开始一直贯穿整个小学阶段这个年龄段的孩子做阅读教育的，以阅读带动阅读。 这套书首先是一套儿童文学作品，其不长的篇幅、简明的语言以及清浅的情节设计，非常适合低龄孩子进行起步的阅读训练，并且为各个年级的小学生提供了语文学习和训练的优秀文本。它被广泛的用作课外语文阅读和教学的辅助读物，并广受欢迎地成为校园舞台剧改编的文学蓝本。 这套书同时也是知识读物。故事里有意识地穿插各种各样的知识。虽然这些涉及各个领域的知识在每本故事里都不多，而且都是点到为止，但是因为知识与故事的有机结合，大大地启迪了孩子的求知欲。引起孩子主动进行相关知识的扩

What is soil? Who lives in dirt? How does earth help things grow? The answers are within this fun- and fact-filled picture book. Just follow the gardening star-nosed mole in the colorful outfits...and dig in

Book De*ion Jack and Annie are off in search of another story in jeopardy,this time at a monastery in ancient Ireland. Trouble arrives whenVikings land, and Jack and Annie must find a way to escape! Card catalog de*ion Their magic tree house takes Jack and Annie back to a monasteryin medieval Ireland, where they try to retrieve a lost book whilebeing menaced by Viking raiders. About Magic Tree House series Magic Tree House is a book series for young children by Mary PopeOsborne. The series features two children, the bookworm Jack andhis adventurous and imaginative younger sister Annie, who travel tohistorical places using a magic tree house. The magic tree housebelongs to Morgan Le Fay who, in the series, is King Arthur'ssister and a librarian. She uses the magic tree house to gatherbooks from time and space. Jack and Annie travel by opening a book, pointing at a picture ofa place and then wishing that they could go there. The magic treehouse then spins around and ma

Holidays Heroes（《美国的纪念日》）系列介绍了美国的纪念日、节日，以及与之相关的历史人物、社会事件等，文字简洁生动，图片丰富多样，适合小学生学习历史，了解美国文化，关注社会进步。免费赠送英语朗读音频，地道的英文表达帮助孩子扩充英语词汇量，提高英语阅读能力。 本册Let sCelebrateThanksgivingDay（《感恩节》）讲的是有关感恩节的知识。书中用两条平行线的叙述方式，分别讲述了印第安人和美国早期批移民的故事，从移民1620年登陆一直讲到1621年他们分享感恩节大餐。