This comprehensive book is a study of chords (normal and extended), tunings, keys, transposing, and the capo. It includes informative and clear photos, diagrams and instructions, and addresses the questions: Are there really thousands of guitar chords?; Which chords are important to the beginner?; Must you learn all the different ways to play a C chord?; If a song seems too difficult to play, can you make it easier by changing the key?; Is a capo worth the trouble?; and more!