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.