Carlson. Your 1950s full-color tour of Pennsylvania's classic shortlines continues from Volume 1 (R05189) in this look at 19 regional favorites such as the Monongahela; Montour; Northampton & Bath; Philadelphia, Bethlehem & New England; Pittsburgh & Ohio Valley; Strasburg; Unity; Western Allegheny; and Winfield railroads. 128 pages, 225+ color photographs, 8½"x 11", hardcover. #0R05255