For LIRR fans, "The Long Island Rail Road in Color": Volume 1: 1949-1966 and Volume 4: The Color Photography of William J. Brennan (several decades). Publisher: Morning Sun Books, Inc., 2010 and 2012 respectively.
For train movie buffs: "100 Greatest Train Movies", Kalmbach, 2010. Lots of great still shots, informative fact pop-ups, and movie reviews. Not to be missed, train fan or not!