First 15 Lessons - Acoustic Guitar
Troy Nelson
A Quick Guide to Guitar Chords
Steve Gorenberg
First 15 Lessons - Bass Guitar
Jon Liebman
Visual Guitar Theory
Chad Johnson
First 15 Lessons - Electric Guitar
Troy Nelson
How to Play Blues/Rock Guitar Solos
David Grissom
Vaideology
Steve Vai
Fretboard Freedom
Troy Nelson
Guitarist's Guide to Scales Over Chords
Chad Johnson
Teach Yourself to Play Guitar Scales
Various Authors