Presents a collection of sixteen books that cover a variety of science topics--with a focus on animals--and basic concepts, as well as an activity book that ties an exercise to each volume in the set.

Describes the sun and each planet of the solar system and introduces concepts such as a day, a year, orbit, and rotation.

Who doesn't love a great mystery? This book presents the eerie accidents and unexplained disappearances that have occurred in the region known as the Bermuda Triangle. Even before it was named, the Bermuda Triangle--roughly bounded by Miami, Bermuda, and Puerto Rico--had gained a mythic reputation. The Bermuda Triangle became famous for making boats and ships vanish, and for snatching planes right out of the sky. But are these stories true? And if...

A lively exploration of seven cosmic catastrophes that could hit Earth and any of the other 20 billion Earth-like planets in our galaxy.--

"America is the greatest democracy in the world...isn't it? Author Elizabeth Rusch examines some of the more problematic aspects of our government but, more importantly, offers ways for young people to fix them"--

Read and find out about the sun and the moon in this colorfully illustrated nonfiction picture book.

The sun is out in the day and always has a circle shape. The moon's shape seems to change, and you can sometimes see it in the daytime and at night. What are the sun and the moon? How are they the same and how do they differ? Hop into your spaceship and find out!

With beautiful illustrations and engaging text, The Sun

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"Explore Antarctica--the coldest, driest, and windiest continent on Earth--in this adventure-filled title in the Who HQ series. Antarctica, the earth's southernmost continent, was virtually untouched by humans until the nineteenth century. Many famous explorers journeyed (and often died) there in the hope of discovering a land that always seemed out of reach. This book introduces readers to this desert--yes, desert!--continent that holds about 90...

"Imagine over three million square miles of sand dunes that are as tall as a ten-story building. That place is real--it's the Sahara Desert! Vast, yes! And home to fascinating creatures such as ostriches and fennec foxes as well as amazing plant life. Readers will also learn about the famous trade routes of the past with caravans of up to 10,000 camels, European explorers to the region (some very unlucky ones), and native populations like the Imazighen"--...

"A collection of stories about space missions gone wrong."--

Simple text and full-color photography introduce beginning readers to Australia. Developed by literacy experts for students in kindergarten through third grade--