Explains what bumps and bruises are, describes how and why they occur, presents an inside look at the injuries, and discusses prevention and treatment options. Includes a glossary.
Explains what broken bones are, describes how and why bones get broken, looks at different types of bone injuries, and discusses prevention and treatment options. Includes a glossary.
Photographs and simple text teach children what the poles of magnets are for, how to tell if something is magnetic, and how magnets help people recycle.
Presents a description of how a soccer ball is made, in simple text with illustrations, following the process step-by-step, from the designer's computer to the store's shelves, and explains where their materials come from.
Traces the process by which a cocoa bean on a tree is transformed into a chocolate bar on a store shelf, discussing chocolate's ingredients and other topics.