Twelve-year old Ron Baker finds a mini bike while scuba diving and, with the help of a former motorcycle rider and racer, restores the bike and enters competitions.
- Genre: Juvenile Fiction
- Subgenre: General, Sports + Recreation / Miscellaneous
- Age: 9-12 years
- Publisher: Little, Brown & Co
- Edition: Reprint
- Language: English
- Format: paperback
- Release Date: September 30, 1986
- Date Published: September 30, 1986
- Author: Matt Christopher