A teenage boy with unusual powers faces the challenge of his life when he's transported to a primitive society.
- ISBN10 0590433628
- ISBN13 9780590433624
- Publish Date 31 December 1990 (first published 1 October 1990)
- Publish Status Unknown
- Out of Print 5 January 2017
- Publish Country GB
- Imprint Scholastic
- Format Paperback
- Language English