[POKER]. CONLIN, William Jermyn (?William James Florence?) (1831-1891). The Handbook on Poker. New York: George Routledge & Sons, 1892. 12mo. Engraved frontispiece. First edition. Original pictorial grey-blue and blue cloth stamped in gilt, red, black, and white. Illustrated in black and red. Spine toned, wear, soiling to binding, hinges starting, a few gutters a bit overopened. Good. Includes an illustrated section on marked cards; likely identical in content to Florence?s other treatise, The Gentleman?s Handbook of Poker (The half-title states, ?The Game of Draw Poker?).