In Robin Epstein's thriller, Kassandra Black is sent to work in her great-uncle Brian's lab at Henley University. She's helping with his HEAR (Henley Engineerin

This title makes possible a deep intuitive understanding of many aspects of sound, as opposed to the usual approach of mere description. This goal is aided by h

Introduce your child or classroom to this diverse group of children who are excited to share their various forms of hearing technology and communication styles.

Illustrations and rhyming help the reader to guess what animal comes next by the sound it makes.

A picture book to stimulate interest in the variety of sounds in the environment.