For your consideration, here is the 1957 Driving Cummins Diesels Booklet, Bulletin 983359, copyright 1957, 62 pages, from Cummins Engine Company. There is a little bit of rust by the staples, but otherwise it is in excellent shape. There is very little wear on it.  It will be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household. (221.281L-.6hc)