Stories of card and revolver play, told by a man who "worked" the trains with his confederates in the days when stakes ran high.
If one believes this account, then a lot of the crooked gambling on trains was simply theft at gunpoint rather than sophisticated sleight-of-hand card advantage play.
1st edition 1910, PDF 7 pages.
word count: 2933 which is equivalent to 11 standard pages of text