When Henry's compass disappears, dog detective Angus follows clues which lead him into danger and eventually to the thief, without Henry's ever knowing how his property was recovered.
- ISBN10 0689311044
- ISBN13 9780689311048
- Publish Date 1 January 1985
- Publish Status Out of Print
- Out of Print 18 November 2014
- Publish Country US
- Imprint Atheneum Books
- Format Hardcover
- Pages 46
- Language English