Explains how feathers evolved, how they develop, how they differ from each other, and how their varied colors and patterns are produced.
- ISBN10 0670310980
- ISBN13 9780670310982
- Publish Date 30 July 1973
- Publish Status Out of Print
- Out of Print 18 October 2003
- Publish Country GB
- Publisher Penguin Books Australia
- Imprint Viking Children's Books
- Format Hardcover
- Pages 128
- Language English