On the seat of a London taxi Miss Mallard, the duck detective, finds a knitting bag containing secret plans for a new high-powered missile.
- ISBN10 0671733451
- ISBN13 9780671733452
- Publish Date 1 February 1991 (first published 1 August 1984)
- Publish Status Out of Print
- Out of Print 22 March 2011
- Publish Country US
- Imprint Simon & Schuster
- Format Paperback (US Trade)
- Language English