In the first new title since October, 1985, the Hardy brothers agree to help a bicyclist riding an experimental bicycle--the Silver Star--when Keith starts having too many unexplained accidents. They agree just in time--the Silver Star is stolen . . . and Keith soon disappears!
- ISBN10 0671643746
- ISBN13 9780671643744
- Publish Date 21 May 1993 (first published 15 September 1987)
- Publish Status Active
- Out of Print 10 December 2011
- Publish Country US
- Imprint Simon & Schuster
- Format Paperback
- Pages 151
- Language English