Math Matters（《数学帮帮忙》）系列目前共35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。 Math Matters（《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

ScienceSolvesIt!系列（《科学全知道》）目前共34册，每册讲述一个有趣的故事，故事里的孩子用一系列科学方法解决日常生活中的问题。涉及科学主题包括动物迁徙、洞穴探秘、皮肤奥秘、太空知识、物理原理等，丰富多彩。 故事没有直接告诉孩子科学是什么、科学在哪里，而是让孩子通过阅读自己去发现，引导孩子练就一双发现科学的眼睛，培养对科学的好奇心和求知欲。 穿插在故事中的知识也以巧妙的形式呈现，大大拓展了孩子的视野。 另外，每个故事后的 像科学家一样思考 栏目指导孩子动手操作，掌握多种探索科学的技巧，使用从故事中学到的科学方法。 本册Whoa!UFO!（《寻找飞碟》）讲的是：嗖！一个不明飞行物滑过夜空。这真的是天外来客吗？Billy和Kara一定得亲自去找找这个飞碟，一探究竟！

ScienceSolvesIt!系列（《科学全知道》）目前共34册，每册讲述一个有趣的故事，故事里的孩子用一系列科学方法解决日常生活中的问题。涉及科学主题包括动物迁徙、洞穴探秘、皮肤奥秘、太空知识、物理原理等，丰富多彩。 故事没有直接告诉孩子科学是什么、科学在哪里，而是让孩子通过阅读自己去发现，引导孩子练就一双发现科学的眼睛，培养对科学的好奇心和求知欲。 穿插在故事中的知识也以巧妙的形式呈现，大大拓展了孩子的视野。 另外，每个故事后的 像科学家一样思考 栏目指导孩子动手操作，掌握多种探索科学的技巧，使用从故事中学到的科学方法。

科学方法解决日常生活中的问题。涉及科学主题包括动物迁徙、洞穴探秘、皮肤奥秘、太空知识、物理原理等，丰富多彩。 故事没有直接告诉孩子科学是什么、科学在哪里，而是让孩子通过阅读自己去发现，引导孩子练就一双发现科学的眼睛，培养对科学的好奇心和求知欲。 穿插在故事中的知识也以巧妙的形式呈现，大大拓展了孩子的视野。 另外，每个故事后的 像科学家一样思考 栏目指导孩子动手操作，掌握多种探索科学的技巧，使用从故事中学到的科学方法。 本册WerewolfMoon（《满月夜狼人》）讲的是：新邻居有可能真的是一个狼人吗？Jake必须在满月之前查出真相，但是太晚了！

You can't breathe underwater, but afish can. You can't eat underwater, but a fish does it every day. Afish's body is designed for life in water, just as your body isperfect for living on land. Read and find out how a fish's sleekbody, fins, scales, and gills keep him in the swim! Then read on tolearn how to set up your own goldifish bowl.

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

The ingeniously designed, safe plastic bottle is perfect for catching and viewing creepy crawlies, then letting them go unharmed. This is a bug kit with a conscience! The full-colour book provides field notes to 46 bugs (up from the original 24) arranged by habitat, including pond, forest, ground, leaves, field, flower. Written by entomologist Hugh Danks, the "Bug Book" gives comprehensive information about these fascinating creatures - how they live, what they eat, unusual characteristics, and more.It offers simple, clear guidelines on how to collect and care for bugs, and equally helpful hints on which bugs not to catch. New to the kit are a fold-out bug chart for quick identification, a magnifier to see the critters up close, and a bug explorer's journal to record discoveries. Discover how the whirligig beetle got its name, why fireflies light up, and how water striders walk on water. And then impress parents and friends - here are all the tools kids need to become bona fide bug experts.

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.

Winner of the first John Newbery Medal in 1921, here is van Loon's renowned classic record of historic adventure, updated for the 21st century.

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.

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.

Turtles are among the oldest living creatures in the world.They have been on earth for nearly 200 million years In "Look Outfor Turtles " readers will discover why these creatures havesurvived so long. Hard shells protect many turtles from harm.Colorful markings on their shells help some turtles to blend inwith their surroundings. Different kinds of turtles can live almostanywhere on land or sea and can eat many kinds of plants andanimals...Today turtles must struggle to. survive. They are hunted,and threatened by pollution. There is less and less open space forturtles to live in. If turtles are going to be around for another200 million years, they are going to need our help

WHY IS THE arctic so cold? How do polar bears cross thin ice? How did people learn to survive in that harsh climate? Find out the answers to these questions and more in Magic Tree House Research Guide: Polar Bears and the Arctic, Jack and Annie's guide to the arctic. This is the nonfiction companion to Polar Bears past Bedtime.