Discusses the concepts of time and biological cycles, including the phases of the moon, the internal clocks of plants and animals, seasonal rhythms, and the aging process.
- ISBN10 0761332243
- ISBN13 9780761332244
- Publish Date 1 April 1999
- Publish Status Transferred
- Imprint Twenty-First Century Books (CT)
- Format Hardcover (Library Binding)
- Pages 64
- Language English