In it's 110 pages, UNDERSTANDING AND USING CHORDS AND CHORD PROGRESSIONS covers:

Building the Basic Chords, Intervals/Inversion/Voicing, Simple Progressions, Common Chord Changes, Through the Keys, Circle of Fourths, Determining the Key of a Song, Common Non-Diatonic Triads, Pentatonic Blues Scale, Melody Notes and Chords, 7th Chords, Progressions With 7th Chords, Chord Functions, Secondary Dominants, The ii-V-I Progression, Resolution of the Dominant 7th, Adding Chords to Simple Progressions, More Non-Diatonic Triads, Minor Keys, Augmented Triad, Full Diminished Chord, Consonance and Dissonance,Voice Leading, Suspensions, Extensions, Alterations and Substitutions, Using Parts of Chords, Finding or Creating Lines, Reharmonization, Less Common Substitutes, Major to Minor Changes, Minor to Major Changes, Harmonic Cadence, Deceptive Cadence, Turnarounds, Passing Chords, Modulations, Effect of the Bass Note, Root Progressions, Harmonic Rhythm, Endings, Common Mistakes, Non-Traditional Voicings, Quartal Harmony, Correcting Chords, Chord Charts, Polychords, Simplifying Chord Progressions, Examples of Songs with Bridge or Chorus in a Different Key, Rules of Harmonic Progression, Chords Most Likely to Occur on Each Possible Root, Chords Most Likely to Accommodate Prevalent Non-Scale Melody Notes