Explore one of the most recognized scientists in the world with this biography of physicist Albert Einstein. Kids will learn about his life, achievements, and the challenges he faced along the way. The level 3 text provides accessible, yet wide-ranging, information for independent readers.

The Magic School Bus travels out of this world to check out the facts about stars. Keesha and the rest of the class discover what stars are made of, the difference between a young star and an old star, and much more.

The Magic Tree House whisks Jack and Annie off to the mountains of Africa. There they run into a huge mountain gorilla! At first they don’t know whether they should shake hands or turn tail. But the ominous-looking creature turns out to be surprisingly gentle. Not only that, the gorilla may be able to help them learn their next bit of magic, which Morgan has challenged them to do.

This exciting reader follows the story of the longest and themost demanding elephant migration on the planet. Living at thefurthest corners of the hot and dry Sahara Desert, the very marginsof where elephants can survive, hundreds of these great creaturesmake a dangerous but necessary journey as their main source of foodand water dries up and they must go in search of more. Battling120-degree heat, sandstorms, and fierce thunderstorms, theseamazing animals travel 35 miles a day in a race against time insearch of the bare essentials of life.

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 sCelebrateVeteransDay（《退伍军人节》）讲的是有关美国退伍军人节的知识。书中介绍了美国的男性和女性参军的多种形式。小读者可以从中了解退伍军人节的来历以及为什么美国人每年11月11日要向老兵致敬。

With a seemingly permanent half-smile on their face, koalas are appealing to boys and girls alike. Filled with adorable photos, and carefully leveled text, this level 1 reader introduces beginning readers to these furry creatures, from cub to adult, exploring where they live, what they eat, and even the way they say 'hello' --by touching noses! National Geographic supports K-12 educators with ELA Common Core Resources. Visit .natgeoed.org/moncore for more information.

Water is all around us; we drink it every day. In this level 3 reader, kids will learn about the water cycle, discovering how rain and snow flow into our lakes, rivers, and oceans, and later evaporate into the sky again. Vivid photography and accessible text make this book an ideal introduction to the science of water.

The Magic Tree House transportss Jack and Annie to the freezing Arctic. There, they must solve the final riddle to become master librarians. But it's not going to be easy--especially when they have cracking ice, a seal hunter, and a prodigious polar bear to deal with. Will they be able to solve the riddle before they get iced themselves?

Publisher Comments: What were pirates really like? How did people become pirates? Where did pirates bury their treasure? Dig up the answers to these questions and more in Jack and Annie's very own nonfiction guide to pirates. Photos & illustrations. Review: "Ships, treasures, maps, voyage routes, strategies, weapons and pirate ship etiquette are among the topics covered in this comically illustrated book. Fun facts are highlighted and terms are well-defined." Children's Literature Review: "The authors offer an informative and interesting overview of the history of piracy. Liberally illustrated with black-and-white drawings and a few photographs, the text describes the life of a pirate, discusses various kinds of pirates and their ships, and introduces a few famous outlaws." Hornbook Guide to Children Book De*ion What were pirates really like? How did people become pirates? Where did pirates bury their treasure

The tree house is back--but where is the enchantress Morgan le Fay? The search for her begins as Jack and Annie are transported back to ancient Japan, where they find themselves in the cave of a ninja master. Will the evil samurai warriors get to Jack and Annie before they can learn the secrets of the ninjas?

MathMatters（《数学帮帮忙》）系列目前共42册，包括 数字与运算 、 量与计量 、 图形与几何 、 探索规律 、 统计与概率 等内容，几乎涵盖了小学阶段所有重要的数学知识。 MathMatters（《数学帮帮忙》）系列的每一本书都会讲述一个发生在孩子身边的故事，由故事中出现的问题自然地引入一个数学知识，然后通过运用数学知识解决问题。 孩子在主动参与和积极思考的过程中会慢慢发觉，课本上那些既枯燥又抽象的数学知识竟变得如此容易理解和掌握！更重要的是，孩子能深深感受到运用数学知识去解决实际生活中的问题所带来的快乐，从而激发他们学习数学的兴趣，让他们逐渐爱上数学。 这套数学绘本非常适合亲子共读，在阅读过程中，家长可以带领孩子推测情节的发展，探讨解决难题的办法，让孩子在愉悦的氛围中学到知识和技巧。 每个故事后都会用多样的

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。

Get the inside scoop on the world's most explosivemountains! Meet a volcanologist Discover why volcanoes erupt Visit the world's hot spots Learn more than forty fun facts about volcanoes

There's nothing more fascinating than dinosaurs. In this Level1 reader, youngsters learn all about the terrifying giants thatonce roamed the Earth—maybe even as close as their own backyard!They'll be wowed by new information and eye-popping illustrationsfrom National Geographic, a trusted source of children's nonfictioncontent

Come along on an adventure through the rain forest. Along the way, you'll meet new friends big and small, see amazing sights, and learn all about the creatures that make their home in the rain forest. Told in simple yet lively text built with sight words and using picture icons to aid reading, National Geographic Pre-readers will enchant kids just beginning their journey with books.

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。

See the eight different types of bears, Discover where bearslive, Find out what bears like to eat Learn more than thirtyfun facts about these furry mammals Level 1 includes short, simple sentences with familiar words andrepetition, large type for reading comprehension, a single strikingphotograph on every page, and basic information every child shouldknow. Ages 6+

How did Leonardo da Vinci become interested in flight? What are some of his most famous paintings? Do his scientific ideas measure up to what we know today? Find out the answers to these questions and more in Magic Tree House Research Guide: Leonardo da Vinci, Jack and Annie’s guide to the mad genius himself.

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。

Choo Choo! Kids love trains! Especially the old-timey steamengines found in amusement parks and zoos. But what about asuper-speeder in Japan that zooms on the track at 361 miles perhour? Or the world's longest freight train, stretching on for awhopping 4.6 miles? Or futuristic railways in the sky? In thisLevel 1 reader, young readers will discover a whole new way oflooking at trains!

Over the course of their 70-year lifespan, sperm whales willeasily travel the circumference of the Earth in search of food andthe need to breed and find a mate. Males will travel as far northas the Bering Sea and as far south as Antarctica in order to findenough food to sustain their ways of live—up to 700 squid a day!Along the way, these massive beasts battle 30-feet-long giantsquids, and each other, to sustain their ways of life.

Jack and Annie travel back in time to a South American rain forest in search of the elusive magician Morgan le Fay. Will they find a new clue to her whereabouts before they are trampled by stampeding killer ants?

What was it like to live in the Ice Age and why was the world so cold? Who made the first cave paintings? What ever happened to sabertooth cats and wooly mammoths? Find out the answers to these questions and more in Magic Tree House Research Guide: Sabertooths and the Ice Age, Jack and Annie’s guide to unlocking the mysteries of the Ice Age! This is the nonfiction companion to Sunset of the Sabertooth. “A great place to begin research for a report.”—School Library Journal

One hot and muggy day, a superhero appears in Ms. Frizzle's classroom—it's Weatherman! Actually,it's only Ralphie. He's pretending he has superpowers and says he can start a thunder-storm that will cool everything off.The kids think Ralphie's an all-weather extravaganza! From an episode of the animated TV series produced by Scholastic Eetertainment Inc.Based on The Magic School Bus books written by Joanna Cole and illustrated by Bruce Degen. A book about weather, from the animated television series on the Learning Channel.

Chocolate or vanilla? Creamy peanut butter or crunchy? Cats ordogs? On some matters in life, every kid must take a stance. Eversince the first youngster in history had a pet, cats vs. dogs hasbeen a hotly debated issue at recesses and lunch tables worldwide.Which one's better? Smarter? This reader presents the facts in funand informative fashion. Kids will love the stimulating Level 3text as they decide the answer to this question for themselves.