Approximately 100 puzzles dealing with mathematics, dexterity, words, games, geometry, and logic, which have perplexed and entertained puzzlers over the past century.
- ISBN10 0806947322
- ISBN13 9780806947327
- Publish Date 27 October 1986 (first published 1 January 1986)
- Publish Status Out of Print
- Out of Print 19 October 2003
- Publish Country GB
- Imprint HarperCollins Distribution Services
- Format Hardcover
- Pages 128
- Language English