Gibson Amplifiers 1933-2008 is the first and only guide on Gibson amplifiers! Features include 192 pages and a 16-page color pictorial section, the entire history of Gibson amplifiers through 2008 as well as an overview of amplification from the early 20th century, a complete guide section to Gibson amps with specifications, shipping totals, and pictures, and a CD-ROM containing the entire Gibson Amplifier Master Service Book in PDF format that includes ownerÂ's manuals and schematics for Gibson amps produced from 1936 to 1966. The information contained in this book and CD-ROM is simply not available from any other single source!