The product is a first edition manual titled "Interauto SU Carburetters Servicing Function Testing" published in 1972 by Interauto Book Company LTD. It is a nonfiction book in English intended for adult audience, focusing on the functionalism of carburetters. A truly informative book on on the maintenance, overhaul, and tuning of the H, HD, HS, HS8, Thermo, and MC2 modlel. The manual is in excellent shape with dust jacket and flexi bound features, making it a valuable resource for those interested in servicing and testing SU carburetters from the 1970s. Signed by previous owner. Please see photos for details.