A synopsis of each Pennsylvania Railroad diesel locomotive class with specifications, service history and excellent B&W photographs.
Contents: Muzzling the Ox, pp. 10-21, The PRR was Unique, Paint Schemes, Demonstrators, Test Units, Cab Signals, Trainphone, pp. 22-39, The First Diesels, pp. 40-49, Passenger Locomotives, pp. 50-67, The First Freighters, pp. 68-95, The Second Generation, pp. 96-115, Early Road-Switchers, pp. 116-145, Later Road-Switchers, pp. 146-157, Shifters, pp. 158-193, Transfer Units, pp. 194-199, Organization/Locations, pp. 200-203, Detailed Roster, pp. 204-246, Dispositions, pp. 247-256.
Hundman Publishing, hardcover with jacket, 256 pages, 8.5 x 11 x 1.5 in, B&W photographs, roster.