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