- Authors
- Julian Huxley
- Publication Date:
- November 1939
- Price
- 6d
- Country
- United Kingdom
- Format
- A Format
- Pages
- 256pp
- Printer
- Hazell Watson & Viney Ltd
Printing History
First published September 1923 Third edition January 1926 First issued in the Phoenix Library 1928; reprinted 1929, 1934 Published in Pelican Books 1939