The Ancient Alien Question, 10th Anniversary Edition: An Inquiry Into the Existence, Evidence, and Influence of Ancient Visitors

Analyzing historical and archaeological evidence, Philip Coppens demonstrates that there is substantial proof that our ancestors were far more technologically advanced than in currently accepted, and that certain cultures interacted with non-human intelligences. Our ancestors were clearly not alone. Have we been visited by extraterrestrial beings? Did these "ancient aliens" contribute to the birth of human civilization? Do our ancient monuments contain evidence of their presence? Fifty year...