books.google.ca - If you have completed Beginning Rock Guitar and Intermediate Rock Guitar, this is your best next step. Mastering Rock Guitar is perfect for guitarists who have been playing for a while and are ready to expand their knowledge and technique. The book contains in-depth lessons on pentatonic extensions,...http://books.google.ca/books/about/Mastering_Rock_Guitar.html?id=O1myK-TQxkIC&utm_source=gb-gplus-shareMastering Rock Guitar