| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Soul on Bikes | 978-0-7603-1747-1 (0-7603-1747-X) | 2004 | Keith Zimmerman ยท Kent Zimmerman |
| Soul on Bikes: The East Bay Dragons MC and the Black Biker Set | 978-0-7603-4535-1 (0-7603-4535-X) | 2013 | |