By William Bay. For Guitar (All). All Styles. Published by Mel Bay Publications, Inc ISBN 9781609748982.
A unique, yet simple, format makes this a valuable book for any guitarist. The chords are shown in a tree-dimensional visual format and are classified as easy, standard, full-sounding, barre, jazz, and rock power forms. Chords are shown in each of these categories where applicable. In each key, major, minor, dominant 7th, minor 7th, major 7th, diminished, and augmented chord forms are presented.