Lines in the sand -- What are ancient aliens -- History of ancient aliens -- Ancient stories -- Alien architecture -- The Naxca lines -- Alternative explanations -- Looking towards the sky.
Summary:
"Ancient Aliens: Did Historic Contact Happen? Readers will examine the history of alien sightings, architecture, Nazca Lines, UFOs, and more before deciding for themselves!"-- provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.