† None of his books are. But they're still very good.
This is (a) set in a fantasy world (b) has zero bearing in any real archeological or anthropological evidence and (c) is meant to be entertaining fiction more than an investigation into how early hominids might have lived. And yes, there are lots of magic and dragons involved.
However, the creators of this world were field archaeologists and anthropologists and their instincts for telling stories spanning evolutionary time scales is absolutely unrivaled.
I think it was this series here: https://en.wikipedia.org/wiki/Alisa_Selezneva
One of the stories was turned into a great piece of animation: https://en.wikipedia.org/wiki/The_Mystery_of_the_Third_Plane...
And apparently this movie is also set in the same continuity?: https://en.wikipedia.org/wiki/Guest_from_the_Future