Earthlings are sent to Saturn's largest moon to investigate machines that were left behind centuries ago by an alien race.
- ISBN10 0749305568
- ISBN13 9780749305567
- Publish Date 6 December 1990 (first published 12 February 1981)
- Publish Status Out of Print
- Out of Print 11 July 1996
- Publish Country GB
- Publisher Cornerstone
- Imprint Mandarin
- Edition New edition
- Format Paperback (A-Format (178x111 mm))
- Pages 192
- Language English