This novel from 1978, written by a paleontologist, is set in a time 35000 years ago, when Neanderthals and Cro-Magnons lived at the same time. https://en.wikip

This novel from 1978, written by a paleontologist, is set in a time 35000 years ago, when Neanderthals and Cro-Magnons lived at the same time. https://en.wikipedia.org/wiki/Dance_of_the_Tiger https://en.wikipedia.org/wiki/Dance_of_the_Tiger