From a retiree’s stack of left behind books, I picked up a copy of Two-Person Game Theory (1966) by Rapoport. Is this an acceptable first (and possibly only) reading on the topic?
It is good. One of my favorites though is, The Compleat Stategyst, by CD Williams. (I think). It is very lighthearted and much more readable, at perhaps a little lower level than Rapoport.