• The Eyes of the Sphinx The Newest Evidence of Extraterrestial Contact in Ancient Egypt av Erich von Daniken

  (ISBN-13: 9780425151303) Paperback

• Ancient Alien Question A New Inquiry Into the Existence, Evidence, and Influence of Ancient Visitors av Philip Coppens

  (ISBN-13: 9781601631985) Paperback

• Chariots of the Gods av Erich von Daniken

  (ISBN-13: 9780425166802) Paperback

• Signs of the Gods? av Erich Von Daniken

  (ISBN-13: 9780285632707) Paperback