The Blue Book Of Acoustic Guitars has become the industry standard reference source for reliable and accurate guitar information. This is the largest, most comprehensive book ever published on acoustic guitars, containing nearly 600 pages, over 500 trademarks, nearly 400 photos, more than 20,000 prices and a complete trademark index of current manufacturers.Now completely revised with an all new color digital Photo Grading System, the 9th edition includes most new model.