Guitar Aerobics (with Audio)
Troy Nelson
Vaideology
Steve Vai
Joe Satriani - Guitar Secrets (Music Instruction)
Joe Satriani
The Ultimate Guitar Theory Chart
Various Authors
Visual Guitar Theory
Chad Johnson
Fretboard Freedom
Troy Nelson
Burning Blues Guitar
Kirk Fletcher
Blues You Can Use
John Ganapes
Connecting Pentatonic Patterns
Tom Kolb
Guitarist's Guide to Scales Over Chords
Chad Johnson