| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| North Shore | 978-1-56647-737-6 (1-56647-737-9) | 2005 |
| Picks!: The Colorful Saga of Vintage Celluloid Guitar Plectrums | 978-0-87930-377-8 (0-87930-377-8) | 1995 |
W H · Will Hopper · Willi Hofer · Willi Hoffer · Willi. Huber