Four teenagers from the moon must overpower a hierarchy of human-animal hybrids to find a geneticist on Old Earth, where genetic war has been waged.
- ISBN10 0694056065
- ISBN13 9780694056064
- Publish Date 31 December 1987 (first published 1 January 1985)
- Publish Status Unknown
- Out of Print 13 April 2011
- Publish Country GB
- Imprint HarperPrism
- Format Paperback
- Language English