Guitar Aerobics (with Audio)
Troy Nelson
Guitar World Presents Steve Vai's Guitar Workout
Steve Vai
Joe Satriani - Guitar Secrets (Music Instruction)
Joe Satriani
Vaideology
Steve Vai
The Ultimate Guitar Theory Chart
Various Authors
Visual Guitar Theory
Chad Johnson
Guitarist's Guide to Scales Over Chords
Chad Johnson
Fretboard Freedom
Troy Nelson
Burning Blues Guitar
Kirk Fletcher
Guitar Chords & Scales (Music Instruction)
Various Authors