This pocket-sized dictionary provides a comprehensive reference for guitar chords. It contains over 2,700 chord diagrams across all 12 keys, covering 58 different chord qualities with four voicings for each. The guide also includes instructions on how to read chord diagrams and foundational music theory to help users understand chord construction. Its compact 4x6 inch size makes it an easily portable resource for musicians.

This reference guide is designed for guitarists seeking quick access to chord information. The inclusion of numerous diagrams, chord qualities, and voicings suggests a thorough approach to chordal knowledge. The supplementary music theory aims to provide a deeper understanding of how chords are built, catering to learners who wish to progress beyond simple memorization. Its portable size indicates a practical design for musicians on the go.