Explores the unsolved mysteries of how ancient peoples built the pyramids of Egypt and Teotihuacan and created the Nazca lines of Peru, examines the so-called "Starchild" skull which some believe to be the skull of a child with an alien father and human mother, and looks at cave and rock drawings around the world, addressing questions of whether the ancient humans could have have alien.

Electronic reproduction. Includes index.

Ancient astronauts: fact or fiction? -- Who built Egypt's pyramids -- Pyramids or landing pads? -- The Starchild skull -- The Nazca lines of Peru -- Cave and rock painting.