"Guitar Theory" is a comprehensive guide to understanding the theory behind playing the guitar. Published by Dorling Kindersley Publishing, this trade paperback book is part of the Idiot's Guides series, making it accessible to beginners looking to deepen their understanding of musical theory. With 320 pages of instruction and study, this book covers topics such as musical instruments, guitar specifically, and provides a valuable reference for musicians looking to enhance their skills. Illustrated in English, this book is a must-have for anyone interested in music theory and guitar playing.