xi, 132 pp. Includes over 150 color and black-and-white photographs throughout. A landmark comparison of the Chesapeake & Ohio Allegheny, the Union Pacific Big Boy, and the Norfolk & Western Class A... presents the story of the three greatest simple articulated locomotives of all time... puts these Super Power locomotives in context with steam turbines and contemporary European designs, and also includes a tribute to the N&W Y-6 Mallet. Black & white photographs, with a 12-page section of color photos.
