Two seemingly unconnected events trigger off the discovery of nothing less than the secret of humanity's existence.
- ISBN10 0708883192
- ISBN13 9780708883198
- Publish Date 13 September 1990 (first published 1 July 1988)
- Publish Status Out of Print
- Out of Print 30 December 2009
- Publish Country GB
- Imprint Orbit
- Edition New edition
- Format Paperback (A-Format (178x111 mm))
- Pages 373
- Language English