Books like The Sirius mystery by Robert K. G. Temple

The 12th Planet explores the existence of an advanced extraterrestrial civilization that once inhabited Earth thousands of years ago.

A definitive and essential guide to the New Age creation theory, utilising ancient knowledge and groundbreaking scientific discovery to bring light onto the truth about our universe, and what events are in store. Melchizedek takes the reader on a phenomenal spiritual journey through Atlantis, Ancient Egypt and modern day society in a way that continues to inspire countless readers today.

Zecharia Sitchin's gripping exploration of ancient conflicts, revealing the Earth's violent origins on another world.

Xaviant Haze explores the claim that advanced alien knowledge shaped ancient Egypt’s Golden Age, focusing on Pharaoh Akhenaten, reptilian societies, and the original purpose of the pyramids.

A speculative history suggesting ancient civilizations on Earth were heavily influenced by interplanetary visits and extraterrestrial contact.

Rene Noorbergen’s 1977 work challenges mainstream science, arguing that advanced prehistoric technologies existed and that Earth’s civilizations were superior until a global flood caused decline.

A comprehensive guide to ancient civilizations and extraterrestrial influences.

Sitchin, a noted scholar, uncovers the legendary Land of the Gods, revealing the true purpose of the Great Pyramids and Sphinx.

David Zink weaves geology, astrophysics, anthropology, myth, and psychic insights to argue not only for the historic reality of Atlantis but also for its colonization by travelers from the Pleiades.

The breakthrough book that was immediately recognized as a work of monumental importance when it first introduced the theory that ancient earth had established contact with aliens. This world-famous bestseller endures as proof that Earth has been visited repeatedly by advanced aliens from other worlds. Erich von Däniken examines ancient ruins, lost cities, space-ports, and a myriad of hard scientific facts that point to extraterrestrial intervention in human history. Most incredible of all, however, is von Däniken's theory that we ourselves are descendants of these galactic pioneers--and the archeological finds that prove it: 1.Sophisticated batteries found in Bronze Age cities 2.An alien astronaut preserved in a pyramid 3.Thousand-year-old spaceflight navigation charts 4.Computer astronomy from Incan and Egyptian ruins 5. A map of the land beneath the ice cap of Antarctica 6. A giant spaceport discovered in the Andes

Graham Hancock investigates the mysteries of the Great Sphinx and Giza pyramids, proposing new interpretations of ancient Egyptian texts and astronomical alignments.

The author presents evidence for "the existence of an ancient advanced civilization--not Atlantis--that predates Egyptian, Hittite, and Chinese cultures"--Publisher.