The Hal Leonard Guitar Scales & Modes At a Glance features 4 lessons, including: The major scale The minor scale The minor pentatonic scale The modesA first of its kind, the Hal Leonard At a Glance series pairs an instructional DVD lesson taught by a professional guitarist with a supplemental book for a comprehensive learning experience. Each book/DVD features several lessons pertaining to one topic, and the DVD lessons feature on-screen music. The lessons are loaded with valuable tips and information, and song examples help to demonstrate the concepts in action.