In seventeenth-century Germany, a boy desperately wants to escape from a school for Black Magic where he is held captive by demonic forces.
- ISBN10 0020447752
- ISBN13 9780020447757
- Publish Date 30 April 1991 (first published 30 November 1972)
- Publish Status Unknown
- Publish Country GB
- Publisher Prentice Hall (a Pearson Education company)
- Imprint Prentice Hall & IBD
- Edition 2nd Collier Books ed.
- Format Paperback
- Pages 250
- Language English