Derk, an unconventional wizard, and his magical family become involved in a plan to put a stop to the devastating tours of their world arranged by the tyrannical Mr. Chesney.
- ISBN10 0064473368
- ISBN13 9780064473361
- Publish Date 10 April 2001 (first published 29 October 1998)
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers
- Imprint Collins
- Format Paperback (US Mass Market)
- Pages 528
- Language English