This 112-page color softcover was published by Silverlake Images with the aid of Carstens Publications. It covers the breadth of Lehigh Valley first and second generation diesel locomotive power. Included are: SW-1/8/9, NW-1/2, S-2/4/12, DS-4-4-100, DS-4-4-1000, VO-series, RS-2/3/11/11M, GP-9/18/19/38AC/38-2/, FT, F-3/3B/7, FA-1/2, PA, C420/628, and U-23B.