Eric Geier · Eric Gower · Erich: Geyer · Erick Gray · Erik Gray
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Honda CRF Performance Handbook | 978-0-7603-2409-7 (0-7603-2409-3) | 2006 |
| Motocross & Off-Road Motorcycle Performance Handbook, 2nd Ed. | 978-0-7603-0660-4 (0-7603-0660-5) | 2000 |
| Motocross & Off-Road Performance Handbook | 978-0-7603-1975-8 (0-7603-1975-8) | 2004 |