On a school trip to Germany in 1937 a 14-year-old Danish schoolboy becomes involved in the activities of the anti-Nazi underground.
- ISBN10 0583305776
- ISBN13 9780583305778
- Publish Date June 1983 (first published 17 March 1980)
- Publish Status Out of Print
- Out of Print 11 October 1991
- Publish Country GB
- Publisher HarperCollins Publishers
- Imprint Carnival
- Edition New edition
- Format Hardcover
- Pages 192
- Language English