Blue Book off Electric Guitars 11th edition.
"Looking for guitar values and information? The Blue Book of Electric Guitars, 11th Edition is now expanded to 1,168 pages including the 16-page color Photo Grading System. This ultimate reference guide includes guitar reference information and values on over 1,200 guitar manufacturers and distributors including Gibson, Fender, Paul Reed Smith, Epiphone, Gretsch, Guild, Ibanez, Dean, Washburn, Yamaha, B.C. Rich, and ESP, as well as many independent luthiers and custom builders..."