Looking for guitar values and information? The Blue Book of Acoustic Guitars, 11th Edition is now expanded to 720 pages including the 16-page color Photo Grading System. This ultimate reference guide includes guitar reference information and values on over 800 guitar manufacturers/distributors including Gibson, Martin, Ovation, Taylor, Alvarez, Epiphone, Takamine, Washburn, Gretsch, and Guild, as well as many independent luthiers and custom builders. Other features include hundreds of intricate images, a detailed serialization section, and a Trademark Index that lists all current contact information for manufacturers. This unique and valuable compilation of information is not available anywhere else at any price!