Learn about the stupendous sounds that surround us in these easy-to-read books. The vibrations, signals, and effects of sound are explained in simple text and matching art. A science activity, fun facts section, glossary, and index aid students in learning about the stupendous sounds around them. Special thanks to content consultant Paul Ohmann, Ph.D. Looking Glass Library is an imprint of Magic Wagon, a division of ABDO Publishing Group. Grades P-4.