Letter String · S. L. · String Letter Pub · String Letter Publishing
| title | ISBN-13 | year of publication |
|---|---|---|
| Great Acoustic Guitar Songs with CD | 978-1-890490-52-2 | 2001 |
| Habits of the Heart | 978-1-890490-16-4 | 1999 |
| High on a Mountain | 978-1-890490-09-6 | 1999 |
| Vintage Guitars: The Instruments the Players the Music | 978-1-890490-46-1 | 2001 |
| What Goes Around | 978-1-890490-12-6 | 1999 |