A carefully planned and systematic approach to fretboard mastery, Shred Guitar is actually two 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.