A collection of mathematical and verbal brain-teasing questions interspersed with "brain vacation" jokes.
- ISBN10 0670804126
- ISBN13 9780670804122
- Publish Date 28 November 1985
- Publish Status Out of Print
- Out of Print 29 January 2010
- Publish Country AU
- Imprint Penguin Random House Australia
- Format Hardcover
- Pages 87
- Language English