Volume 1 of this series covers the Pennsylvania's ALCo RS series locomotives. Includes a discussion of the Pennsylvania's relationship with ALCo and the decision to acquire the RS series (rather than from GM's rival EMD). Includes roster and technical specifications. Illustrated with crisp black and white photos of RS locomotives in action.  New. Withers Publishing. Second printing 2005. SB. 56 pages with index. NOS-PRD-V01