A teenage boy and his friends spend the spring of 1943 trying to discover who in Garmouth, a sleepy English seaport, is passing information to the Germans.
- ISBN10 0679801316
- ISBN13 9780679801313
- Publish Date 21 November 1990 (first published 1 November 1979)
- Publish Status Remaindered
- Out of Print 30 June 2016
- Publish Country US
- Imprint Random House Books for Young Readers
- Format Paperback (US Trade)
- Pages 258
- Language English