Dr. Lumumba's Dream Of Incest

Why have a group of chimpanzees been chosen to participate in a religious study at Yale University? After a year of rigorous discipline, why do they suddenly disappear?
When Herbert Hickey, Professor of Anthropology at Yale University, and his beautiful wife Kathryn go to Africa to investigate, they are swept up in an adventure that leads them from the jungles of Africa to the tombs of Egypt and the caves of prehistoric Spain. Taken captive by the mysterious Dr. Lumumba, their lives will change forever.