Two boys create a monster that mysteriously appears and disappears all over town until they have to reveal their prank to get out of a tight spot.
- ISBN10 0525258256
- ISBN13 9780525258254
- Publish Date 22 April 1974
- Publish Status Out of Print
- Out of Print 12 March 2014
- Publish Country US
- Imprint Dutton Books
- Format Hardcover
- Pages 32
- Language English