Two sets of twins receive a message in a fortune cookie, warning them to beware of a man in a blue hat.
- ISBN10 0670806412
- ISBN13 9780670806416
- Publish Date 30 May 1985
- Publish Status Out of Print
- Out of Print 29 January 2010
- Publish Country AU
- Imprint Penguin Random House Australia
- Format Paperback
- Language English