Visual Guitar Theory
Chad Johnson
Guitarist's Guide to Scales Over Chords
Chad Johnson
First 15 Lessons - Acoustic Guitar
Troy Nelson
Connecting Pentatonic Patterns
Tom Kolb
Brave New Blues Guitar
Greg Koch
First 15 Lessons - Bass Guitar
Jon Liebman
Vaideology
Steve Vai
First 15 Lessons - Electric Guitar
Troy Nelson
Fretboard Freedom
Troy Nelson
Teach Yourself to Play Guitar Scales
Various Authors