| year of publication | ISBN | author(s) | title |
|---|
| 1988 | 978-0-918321-08-4 | David Harp · PhD N. Feldman | Three Minute Meditator |
| 978-0-918321-09-1 | The Three Minute Meditator |
| 1998 | 978-0-918321-11-4 | David Harp | Bending The Blues (Harmonica) |
| 1993 | 978-0-918321-29-9 | '' | Instant Guitar |
| 2008 | 978-0-918321-43-5 | David Harp · Nina Smiley | The Three Minute Meditator: Reduce Stress. Control Fear. Diminish Anger. In Almost No Time at All. Anywhere. Anytime. |
| 1993 | 978-0-918321-50-3 | David Harp · Nina Feldman | Metaphysical Fitness: A Complete 30 Day Program for Mental, Emotional, and Spiritual Health! |
| 978-0-918321-58-9 | How to Fight a Cold...and Win!: -4 Copy Prepak |
| 2005 | 978-0-918321-59-6 | David Harp | Music Theory Made Easy: Deluxe Edition |
| 1993 | 978-0-918321-60-2 | '' | How to Whistle Like a Pro (Without Driving Anyone Else Crazy) |
| 2001 | 978-0-918321-66-4 | Ruth K. Liebermann | Au Pairing Up!: How to Maximize the Rewards and Minimize the Learning Curves of America's Best Childcare Solution |
| '' | 978-0-918321-72-5 | David Harp | Instant Blues Harmonica (Book & CD) |
| 2002 | 978-0-918321-77-0 | '' | 3 Minutes to Blues, Rock, and Folk Harmonica (Three Minutes To) |
| '' | 978-0-918321-78-7 | '' | Three Minutes to Blues, Rock & Folk Harmonia Display |
| 2002 | 978-0-918321-79-4 | David Harp | Three Minutes to Blues, Rock, and Folk Harmonica |
| 2008 | 978-0-918321-82-4 | '' | Three Minutes to Chromatic Harmonica: The Blues/Rock/Jazz Improvisation Method! |
| 2006 | 978-0-918321-83-1 | '' | Harp Positions Made Easy for Blues / Rock Harp (Harmonica) |
| 1993 | 978-0-918321-85-5 | '' | Blues & Rock Harmonica Made Easy!: Compact Reference Library |
| 2009 | 978-0-918321-89-3 | '' | Three Minutes to Blues, Rock, and Folk Harmonica |
| 1993 | 978-0-918321-90-9 | David Harp | The Instant Chromatic Harmonica: The Blues/Jazz Improvisation Method Revised Edition |
| '' | 978-0-918321-94-7 | '' | How to Play Country and Western Harmonica: A Complete Guide for Beginning, Intermediate, and Advanced Players |
| '' | 978-0-918321-97-8 | '' | The Pocket Harmonica Songbook |
| 1994 | 978-0-918321-98-5 | '' | David Harp's Instant Blues Harmonica: Zen & the Art of Blues Harp Blowing |
| 1992 | 978-0-918321-99-2 | '' | Music Theory Made Easy New Edition (Reference) |