This fun and interactive first reference book for younger readers includes more than sixty hands-on activities, experiments, and step-by-step illustrations covering a variety of nonfiction subjects arranged thematically for easy use. Excite children's curiosity on a wide range of topics including space, geography, prehistoric life, natural history, and the human body. Featuring informative, age-appropriate text, an index, and colorful illustrations throughout, this book is guaranteed to capture children's imaginations about the world we live in.