The Keyboardist's Picture Chord Encyclopedia by Leonard Vogler | Visual Piano & Keyboard Chord Reference with Diagrams, Notation, Inversions, Substitutions, Voicings, and Progressions

The Chord Wheel: The Ultimate Tool for All Musicians

Piano & Keyboard Chords: Easy-to-Use, Easy-to-Carry, One Chord on Every Page

The Complete Book of Scales, Chords, Arpeggios & Cadences: Includes All the Major, Minor (Natural, Harmonic, Melodic) & Chromatic Scales -- Plus Additional Instructions on Music Fundamentals

Picture Chord Encyclopedia: Photos, Diagrams and Music Notation for Over 1,600 Keyboard Chords

Piano Scales, Chords & Arpeggios Lessons with Elements of Basic Music Theory: Fun, Step-By-Step Guide for Beginner to Advanced Levels(Book & Streaming Video)

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How to Really Play the Piano: The Stuff Your Teacher Never Taught You by Hilton, Bill (2009) Paperback

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Practical Method for Beginners, Op. 599: Schirmer Library of Classics Volume 146 Piano Technique