Provides a simple discussion of sound waves, frequencies, and the uses of radar and sonar.
- ISBN10 0613981413
- ISBN13 9780613981415
- Publish Date 1 September 2003 (first published 1 December 1992)
- Publish Status Active
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English