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 sCelebrateMartinLutherKingJr.Day（《马丁 路德 金日》）讲的是有关美国的马丁 路德 金日的知识。美国小孩对马丁 路德 金这位英雄的故事耳熟能详。这本书用孩子能够理解的文字，把金在短暂的人生中所捍卫斗争的价值感以及他给美国带来的变化给小读者娓娓道来。

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!The magic tree house has returned and it s taking Jack and Annie back in time to Alaska, 1925. There they meet Balto, a jet-black Siberian husky destined to save victims of the diphtheria epidemic. But the trail isn t easy, and Balto is going to need Jack and Annie s help!Formerly numbered as Magic Tree House #54, the title of this book is now Magic Tree House Merlin Mission #26: Balto of the Blue Dawn.Did you know that there s a Magic Tree House book for every kid?Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter booksMerlin Missions: More challenging adventures for the experienced readerSuper Edition: A longer and more dangerous adventureFact Trackers: Nonfiction companions to your favorite Magic Tree House adventuresHave more fun with Jack and Annie at MagicTreeHouse.com!

本书将带你翱翔在猛禽的世界里，帮助你深入了解这些了不起的空中猎人，从飞行、觅食到筑巢和迁徙，探索它们生活的地方，它们如何捕猎 哪种猛禽的脚有灰熊的爪子那么大？ 翻到29页看看吧！

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。

The classroom is decorated as Dinosaur Land, but Ms.Frizzle-inspired by an archeological dig-craves a more authenticexperience. The Magic School Bus turns into a time machine andtransports the class back millions of years to an adventure wherethey learn about dinosaurs, their habitats and diets, and even aMaiasaura nesting ground.

Mama's away one night, and her son can't sleep. He tries to relax by counting stars, but the more of them he sees, the more determined he is to count every single one. Then the boy finds that Daddy can't sleep either. Together, the two of them set off on an unforgettable all-night journey of discovery.

Readand find out about one of nature's most mysterious forces--theearthquake. Some earthquakes are so small that you don't even feelthem, while others can make even big buildings shake Learn whyearthquakes happen, where they are most likely to occur, and whatto do if one happens near you.

Water is always flowing, from a brook to a stream, to a riverto the ocean. Read and find out more about how water shapes theearth and why it is important to keep our water clean.

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 sCelebrateColumbusDay（《哥伦布日》）讲的是有关美国哥伦布日的知识。航海家克里斯托弗 哥伦布从小就梦想成为一名水手，他勇气非凡，很有毅力，但有时候也有点贪婪。哥伦布一直在寻找财富，但始终没有找到。不过，他的其他发现可比他所能想象到的重要多了。

太空狗麦克斯的宇宙探索系列第四部 多年之后，麦克斯的孙子——麦克斯二世 即将与人类一同前往充满奥秘的木星探险 人类对木星知之甚少，麦克斯与伙伴们将会看到怎样的木星？ 木星与地球、月球和火星有哪些大不同？ 超远距离的太空旅行又会带给我们哪些新奇体验？ 书里模拟了真实的太空探险，让孩子们在幻想旅行中获取天文宇宙知识，跟着狗狗麦克斯一起发现木星的奥秘！

Archaeologists on a dig work very much like detectives at acrime scene. Every chipped rock, charred seed, or fossilized bonecould be a clue to how people lived in the past. In thisinformation-packed Let's-Read-and-Find-Out Science book, Kate Dukeexplains what scientists are looking for, how they find it, andwhat their finds reveal.

Magic Tree House Research Guides are now Magic Tree House FactTrackers! Track the facts with Jack and Annie! When Jack and Annie gotback from their adventure in Magic Tree House #46: Dogs in the Deadof Night, they had lots of questions. How do St. Bernards help findavalanche survivors? Who are some of the most famous war dogheroes? What breeds make good service dogs? Find out the answers tothese questions and more as Jack and Annie track the facts. Filledwith up-to-date information, photos, illustrations, and fun tidbitsfrom Jack and Annie, the Magic Tree House Fact Trackers are theperfect way for kids to find out more about the topics theydiscovered in their favorite Magic Tree House adventures.--From theTrade Paperback edition.