-- Action packed stories of mystery and adventure interwoven with puzzles to solve-- Great fun for kids to read and decipher
- ISBN10 0746003315
- ISBN13 9780746003312
- Publish Date June 1990
- Publish Status Out of Print
- Out of Print 23 December 2009
- Publish Country GB
- Imprint Usborne Publishing Ltd
- Format Hardcover
- Pages 48
- Language English