In the first of these two stories, the Hardy brothers help their father track down an amnesia victim who has access to important NATO secrets and in the second, the brothers foil a plot to do away with a famous rock star.
- ISBN10 0448161974
- ISBN13 9780448161976
- Publish Date 1 January 1978
- Publish Status Out of Print
- Out of Print 27 March 2013
- Publish Country US
- Imprint Grosset & Dunlap
- Format Hardcover
- Pages 110
- Language English