Woodshedder's Guide to Guitar Scales

Simple Chord Tone Soloing System

Hacking the CAGED System: Book 2

Simple Blues Soloing System

Fourths Tuning: Modes

Intermediate Guitar Scales Handbook: Exotic Scales Edition

No Theory Guitar Soloing

25 Guitar Scale Hacks

Guitar Hacks: 3NPS Scales

Guitar Hacks: The Pentatonics Handbook

8 String Guitar: Scales and Arpeggios

50 More Guitar Hacks: For the Thinking Man's Guitarist

Guitar Hacks: The Memory-Friendly Chord Book

Intermediate Guitar Scales Handbook

The Dorian Improvisation System

Melodic Soloing in 10 Days

The 2 Position Guitar Scale System: Scales and Arpeggios

Beyond Pentatonics

From Scales to Solos: Zonal Improvisation on Guitar

Hacking the CAGED System: Diatonic Harmony