Why do things float? How do magnets work? What is gravity? The answers to these questions and more can be found in this fact-filled book. Simple, easy-to-read t

Hundreds of questions about the past are answered in this book, aimed at younger readers.

Describes the plants and animals found in different regions and habitats throughout the world.

Covering the essential curriculum areas of human geography, physical geography, geology, and ecology, DK's First Earth Encyclopedia is a comprehensive introduct

A bright, lively introduction to our world with simple text, amazing photographs and detailed illustrations. Provides simple explanations to questions such as "