In good condition, paperback, pages are bright white and clear of writing, has some wear to cover with edge curling and corner bends. Additional Details ------------------------------ Product description: Covers what an amp is, how an amp works and what to look for in an amp. Includes history of tube amps from 1932 to the present with de-tailed information on the evolution of amps both internally and externally. Fender, Gibson, Gretsch, Vox, Ampeg as well as others are covered. 0.6 lb, 8.5" x 11"