The "A" (Revised Edition)
Norfolk & Western's Mercedes of Steam
by Ed King.
Cloth with dust jacket, 8.5x11, 176 pages, drawings, elevations, charts, photos throughout. 2nd edition 2009.
"The original book about this most productive of locomotives has been greatly expanded to include much information not available to the author at the first writing, plus a foldout featuring side elevation drawings of the locomotive and the various tenders it pulled, plus many more photographs (color & B/W).
"Appendices covering N&W's tenders and the testing of Pennsy Q2 4-4-6-4 conducted on the Scioto Division in August, 1948."