96 CHORDS - If you don't know the names of the chords you are playing, this book will enable you to name and play 96 bar chords.  There are plenty of exercises and test pages so you can be sure you have learned the material.  You will also learn to name all of the notes on the neck.  To get the most from this book you need to be able to play bar chords - like F, for example.

20 LESSONS FOR GUITAR - In this book you will learn to name and play all the basic chords, all the major and minor scales, rhythm, how to define a key, tuning, to name all of the notes on the neck, how to play chord progressions using the number system (this will help you train your ear to know what you are hearing) and much more.  There are charts listing the chords in the twelve major keys, all the notes on the neck.  This book is great for beginners as well as more advanced players who need to learn a little theory.

CHORDS AND KEYS - You could memorize a French dictionary and still not be able to speak French.  Likewise, you could memorize a chord book and still not be able to play guitar.  You need to know which chords go together in each key.  When someone says, "we are in the key of G", that needs to mean something to you.  There are five keys that most important for guitar player to know.  These keys are C, A, G, E and D.  This book will get you solid in those five keys