Bob Korpella ยท Mr. Bob Kroepel
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Creative Keyboard's Deluxe Encyclopedia of Piano Chords: A Complete Study of Chords and How to Use Them | 978-0-7866-6876-2 (0-7866-6876-8) | 2003 |
| Encyclopedia of Piano Rhythm Patterns: Popular Piano Rhythms and How to Play Them | 978-0-7866-9633-8 (0-7866-9633-8) | 2016 |
| Mel Bay Deluxe Encyclopedia of Piano Chords: A Complete Study of Chords and How to Use Them | 978-0-87166-579-9 (0-87166-579-4) | 2015 |