The Blue Book of Acoustic Guitars and Blue Book of Electric Guitars are available in a CD-ROM format. The Blue Book of Guitars on CD-ROM, 12th Edition contains the entire contents of the 784 page 12th Edition Blue Book of Acoustic Guitars and the 1,216 page 12th Edition Blue Book of Electric Guitars as well as over 7,500 color images. This CD-ROM also includes the Photo Grading System as well as many .pdf files including Serialization and House Brand information.