Complete 7-String Guitar Method (book/Audio Online)

Mel Bay Publications
Level : Intermediate-Advanced
Standard Notation and Tab

This method is for to a six string guitarist who is learning the seven string guitar. 
Included are sections on scale and arpeggio fingerings as well as an extensive section on chord voicings. All examples are presented in both tablature and standard notation, with diagrams. The seventh string is tuned to a low A throughout. 
The audio download contains play-along tracks with full rhythm section, single note studies with accompaniment (in split-track format), and unaccompanied solo studies. Most examples can be played either finger style or with a pick.

Part One: Scales
Introduction to Scales 
Major Scales 
Pentatonic Scales 
Blues Scales 
Harmonic Minor Scales 
Diminished Scales 
Whole-Tone Scales 
Melodic Minor Scales 

Part Two Arpeggios
Basic Arpeggios 
Extended Arpeggios 
Polychord Arpeggios 

Part Three Chord Voicings
Chord Voicings I 
Tenths
Adding the seventh above
Chord Voicings II 
Dropping the seventh
Chord Voicings III 
Raising the third
Chord Voicings 
Raising the seventh
Chord Voicings 
Open Triads & Barre Chords
An Explanation of Inversions 
An Explanation of Voicing Types
Playalong lead sheets