Goes to the heart of contemporary arguments about the "primitive" and the "modern" minds, and draws new social, anthropological, and ethnographic conclusions about the nature of ancient societies.How did ancient peoples—those living before written records—think? Were their thinking patterns fundamentally different from ours today? Researchers over the years have certainly believed so. Along with the Aborigines of Australia, the indigenous San people of southern Africa—among the last hunter-gatherer societies on Earth—became iconic representatives of all our distant ancestors and were viewed as either irrational fantasists or childlike, highly spiritual conservationists.

Since the 1960s a new wave of research among the San and their world-famous rock art has overturned these misconceived ideas. Here, the great authority David Lewis-Williams and his colleague Sam Challis reveal how analysis of the rock paintings and engravings can be made to yield...