Covers everything guitar related and clearly. Great reading, research, reference, and teaching. Great book for newer guitarist or ones looking to expand knowledge or relearn using different techniques styles types of guitar. Good book for someone learning to use cords from guitar tabs or a music equipment salesperson or guitar leason teacher to have ready for new interest. This book is a must have for anyone with a guitar thinking about learning.beautiful photography. Clear well made charts. Metro books 2010 imprint of sterling publishing.