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 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。

Filled with gorgeous photographs inspired by National Geographic Little Kids magazine, curious children are introduced to adorable baby animals,

Remember New York for ever with this exquisite cut-papersouvenir. Presented in a beautiful slipcase, this stunning mementofeatures twelve of New York's most famous sites: the Statue ofLiberty, Brooklyn Bridge, the Flat Iron Building, Macy's, theEmpire State Building, Grand Central Station, Times Square, RadioCity Music Hall, the Plaza Hotel, Central Park, the GuggenheimMuseum and the Yankee Stadium. Stylishly illustrated and foldingout to a length of 150 cm, this is a perfect souvenir for anyonevisiting America's most famous city.

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 sCelebrateEarthDay（《地球日》）讲的是有关世界地球日的知识。每年4月22日，全世界有超过10亿人会聚集起来关注我们的地球。小读者可以通过本书了解地球日创立的原因，以及为了维护地球的健康，我们可以做哪些小事来为地球带来大变化。

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!

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.

Ever wondered how bubbles get into fizzy drinks? Or how weknow what the dinosaurs looked like? And just how many ants can ananteater eat? This book answers a wide range of 'how' questions andprovides further information with fun-filled facts. Appealingartworks help explain the answers, allowing children to build uptheir knowledge on a variety of subjects.

This delightful play set is designed to teach children about the wonderful mysteries of the rain forest. A 40-page book packed with amazing facts and activities provides a basic understanding and foundation for appreciating the rain forest, which is quickly disappearing. Their learning is reinforced through play with six press-out model figures of animals to assemble, a diorama play scene, and removable stickers so they can change the dioramas as much as their little hearts desire! "Animal Adventures: Rain Forest" is sure to keep little hands and minds busy for hours!

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 sCelebrateConstitutionDay（《宪法日》）讲的是有关美国宪法日的知识。每年9月17日是美国的建国者签署宪法的日子，签署宪法并非易事，建国者们经历多次斗争、辩论与妥协才得以保证美国人民至今仍然享有的自由。宪法日也是美国的入籍日。