A carefully planned and systematic approach to fretboard mastery, Shred Guitar is actually 2 books in one. The first half of the book, "Shred Guitar," is based around 10 popular rock chord progressions with full play-along tracks included on the accompanying CD. The second half of the book, "The Practical Guide to Harmony and Theory," is a guitar theory reference that contains 17 units of detailed information that will be useful to all guitarists.