Jack and Annie continue their quest for the secrets of happiness in order to save Merlin. This time, the Magic Tree House takes them to the one continent they haven't visited before: Antarctica. Illustrations.
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.
Jack and Annie present information about the universe, including our solar system, and briefly describe the history of space travel and of the science of astronomy.
The frozen rivers and sheets of ice known as glaciers can moveas slowly as a few inches a year, yet they are a powerful forceshaping the earth beneath and around them.Breathtaking photographsmark this dramatic introduction to a beautiful yet frozen world ofmountaintops and polar regions.
Thesunbringsheat,warmth,andenergytotheEarth.Whatisthesunmadeof?Howbigisit?Howfaraway?Readandfindout
轮子的发展和社会的进步：很久很久以前，一个点子在人类的脑袋里转动，这个点子是关于轮子的产生的。轮子一旦产生并开始转动，就再也停不下来啦。从滚动的木头、陶轮到充气轮胎，还有转动的CD，人类在轮子的发展和社会的进步中所表现出来的智慧令人赞叹不已。让我们一起来探索《轮子不停转》的奥秘吧!
Exceptional nonfiction for children from two of the mosttrusted names in science education: Seymour Simon and theSmithsonian Institution.
Kangaroo is back! In this story he and his friends at campdivide into halves, thirds, and fourths to form teams at field day.Readers will cheer on this rowdy crew of Australian animals as theyswim, canoe, play tug-of-war, and have a good, goofy time.
What is a fossil? Sometimes it's the imprint of an ancient leaf in a rock.Sometimes it's a woolly mammoth, frozen for thousands of years inthe icy ground. Sometimes it's the skeleton of a stegosaurus thathas turned to stone. A fossil is anything that has been preserved, one way or another,that tells about life on Earth. But you can make a fossil,too--something to be discovered a million years from now--and thisbook will tell you how.
Nothing goes right for Jack all day long. He can't find hisfavorite sneakers, he spills milk on his math homework, and worstof all, he gets tuna fish for lunch. Will things ever getbetter? Readers will learn how to tell when something is certain, morelikely, less likely, or impossible as Jack keeps hoping his streakof bad luck will break. Maybe, just maybe, pistachio ice cream fordessert will do the trick. But will it happen? Considering howJack's day has been going, PROBABLY NOT!
关于人类的建筑：你想盖一所什么样的房子呢?需要用哪些东西来盖它呢?它可能是沙滩上的一间小棚子，也可能是城市里的一幢摩天大楼，甚至是一座城堡!想像你和你的小伙伴正在设计你们的房子，想想你们都需要什么材料，要怎样把它盖起来吧!《我来盖房子》一书将回答你的问题。
What was it like to live in ancient Greece? What gods and goddesses did Greeks believe in? How did the Olympics start? What was the winner’s prize? Find out the answers to these questions and many more in this Magic Tree House Research Guide. Includes fun facts from Jack and Annie, fantastic photos and illustrations, and a guide to doing further research!
Elephants, rabbits, and birds shop in this funny grocery store. Can you guess what the little rabbit wants more of? Munchy, crunchy carrots, of course! And fewer of? Squirmy worms and chewy peanuts (yuck!). So why is his mother buying all those cans of worms?
关于时间的概念:什么东西我们看不到、听不见、摸不着、闻不出?什么东西我们大家都知道它，也都离不开它?什么东西是如此久远，在这个世界开始之前就已经出现?答案当然是——时间。《滴答，滴答》将带我们经历一次奇妙的旅程，让我们一起来看看人类如何感知时间，一起来发掘在那些流逝的时间里发生的有趣的事吧。
A baby scorpion rides on its mother′s back. A baby alligatorhides in its mother′s mouth What about a baby leopard? A babyelephant? Read and find out how animal babies stay safe.
Everyone loves the smile on a dolphin’s face. Though smartenough to become theme park tricksters, dolphins are first andforemost wild mammals. Melissa Stewart’s lively text outlines ourresponsibility to conserve their natural environment. Thishigh-interest book also offers an interactive experience to boostawareness of these adorable creatures.
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
Penguins certainly are a different bird! They spend seventy–fivepercent of their lives in water and they can’t even fly! Penguinsare classified as birds because they have feathers. So explore apenguin’s world by finding out how they can swim so fast, what theyeat, and how people need to help protect their habitats. Includes:o Smithsonian mission statement o Glossary o Index o Website andadditional reading sources o Series thumbnails on back pan
There are trillions of stars in the universe, but we rely on our sun to provide （or contribute to） most of what we need to survive and thrive: heat, light, plants, animals, wind, and water. Complete with fun, cartoon illustrations, this book give kids plenty of information about our sun in an easy-to-read and digest format. By focusing on the needs of an elephant, Wells makes clear just how important the sun is to life on Earth.
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.
Fact and fiction meet--for Halloween What are the origins ofsome of the famous ghost stories in Louisiana? Why do peoplebelieve in ghosts? Do most cultures have some kind of ghoststories? Find out the answers to these questions and more in "MagicTree House Research Guide: Ghosts," Jack and Annie's guide to ghoststories from all over the world.
Ladies and Gentlemen, start your engines! The driver zips upher jumpsuit and squeezes through her racecar window. Engines rev.Tires SCREECH and SQUEAL...and they’re off! Around and around thecars go VVVRRRROMMMMM! Pit stops! CRASHES! POPPED tires! Race tothe finish line...and the checkered flag SNAPS down. Race day roarsinto life in this breathless book.
