Four youngsters from a hometown karate school are secretly part of an elite club that must defend the world against an evil power.
- ISBN10 0545010292
- ISBN13 9780545010290
- Publish Date 1 May 2007 (first published 1 March 2005)
- Publish Status Out of Stock
- Publish Country US
- Imprint Scholastic Paperbacks
- Format Paperback (US Trade)
- Pages 175
- Language English