A timid boy, eager to frighten the school bully on Halloween night, acquires a magic ring and the power to change himself into a hideous monster.
- ISBN10 0833595687
- ISBN13 9780833595683
- Publish Date 1 October 1989 (first published 1 January 1982)
- Publish Status Out of Print
- Out of Print 7 April 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English