Do you really want to yell in a cave?

"Two children explore a cave and learn about echoes, sound waves, and properties of sound"--

K to grade 3.|||550L Lexile|||juvenile

written by Daniel D. Maurer ; illustrated by Teresa Alberini.

Includes bibliographical references (page 24) and index.

Accelerated Reader AR LG 2.4 0.5 182977.