The Al Di Meola - A Guide to Chords, Scales and Arpeggios Master Classes Book, model 604042, is a comprehensive resource for guitar enthusiasts looking to improve their skills. With 112 pages of expert guidance, this book published by 21st Century Publications focuses on teaching chords, scales, and arpeggios in a contemporary musical style. Perfect for musicians looking to enhance their knowledge and technique on the guitar, this book is a valuable addition to any guitar player's collection.