Danny Dunn tries to track down the missing manager of the local department store with the aid of a bloodhound robot.
- ISBN10 0356083756
- ISBN13 9780356083759
- Publish Date 19 February 1976 (first published 1 January 1975)
- Publish Status Out of Print
- Out of Print 18 October 2003
- Publish Country GB
- Imprint TBS The Book Service Ltd
- Format Hardcover
- Pages 120
- Language English