A collection of more than 525 mathematical, historical, scientific, musical, and linguistic brain teasers and riddles.
- ISBN10 0060919744
- ISBN13 9780060919740
- Publish Date 1 June 1990 (first published 1 January 1978)
- Publish Status Out of Print
- Out of Print 10 March 1994
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperPerennial
- Edition Perennial Library ed.
- Format Paperback
- Pages 144
- Language English