The Horn Book Guide

TECHNOLOGY

Sequeira, Michele , Westphal, Michael

Cell Phone Science: What Happens When You Call and Why

174 pp. | New Mexico | March, 2011 | Trade ISBN 978-0-8263-4968-2 $24.95

(3) YA Barbara Guth Worlds of Wonder Science series. In this textbooklike volume, the authors break down cell phones into their component parts to provide detailed, informative explorations of what they're made of (plastic, semiconductors, and batteries) and how they work. Additional text boxes explore the basic underlying concepts and history of the many sciences represented. Helpful illustrations are critical to understanding the explanations. Websites. Glos., ind.

Reviewer: Danielle J. Ford