| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Identifying Leica Cameras: The Complete Pocket Guide to Buying and Selling Leicas | 978-88-900059-3-0 (88-900059-3-9) | 1997 |
| Identifying Leica Lenses: The Complete Pocket Guide to Buying and Selling Leica Lenses Like an Expert | 978-0-8174-4027-5 (0-8174-4027-5) | 1999 |
| Identifying Leica Lenses: The Complete Pocket Guide to Buying and Selling Leica Lenses Like an Expert | 978-88-900059-8-5 (88-900059-8-X) | 1999 |