I got this book around the early 90's from a local music store. I wanted to delve into Jazz chords after listening to Mike Landau playing on a Joe Sample album. There were jazzy chords he was using that I'd never heard Landau play before: 13ths and 7#5s. By chance this book had them in.
The book is a simple but very effective way to introduce the non Jazz player to Jazz. You have two/three pages of chord window diagrams, brief explainations, a couple of 'practice progressions followed by a jazz song standard or one written by Artie Traum to show how the chords are used. It takes you from basic maj7, m7 shapes right up to three note chords for comping.
Lovely little book and recommended