Fiendishly difficult puzzles included in gripping adventure stories
- ISBN10 0746006888
- ISBN13 9780746006887
- Publish Date 31 December 1991 (first published 1 October 1991)
- Publish Status Transferred
- Out of Print 20 July 2000
- Publish Country GB
- Imprint Usborne Publishing Ltd
- Format Paperback
- Pages 48
- Language English