Ancient Aliens
4. 
The Sirius Mystery: New Scientific Evidence of Alien Contact 5,000 Years Ago 3.87 avg rating — 973 ratings
7. 
The Orion Mystery: Unlocking the Secrets of the Pyramids
by:
Robert Bauval
3.93 avg rating — 1,538 ratings 8. 
Fingerprints of the Gods: The Evidence of Earth's Lost Civilization
by:
Graham Hancock
4.16 avg rating — 14,993 ratings 9. 
Hidden History: Lost Civilizations, Secret Knowledge, and Ancient Mysteries
by:
Brian Haughton
3.71 avg rating — 230 ratings 10. 
The Ancient Alien Question: A New Inquiry Into the Existence, Evidence, and Influence of Ancient Visitors
by:
Philip Coppens
3.91 avg rating — 932 ratings 11. 
Alien Art: Extraterrestrial Expressions on Earth
by:
Sarah V. Moran
liked it 3.00 avg rating — 12 ratings 
12. 
Ancient Aliens and the Lost Islands: Through the Wormhole
by:
Lars Bergen
3.57 avg rating — 28 ratings 14. 
The Orphan Conspiracies: 29 Conspiracy Theories from The Orphan Trilogy
by:
James Morcan
3.84 avg rating — 450 ratings 15. 
The Wars of Gods and Men (Earth Chronicles, #3)
by:
Zecharia Sitchin
4.10 avg rating — 1,356 ratings 
17. 
There Were Giants Upon the Earth (Earth Chronicles #7.5)
by:
Zecharia Sitchin
4.05 avg rating — 559 ratings 
21. 
Secrets of the Lost Races: New Discoveries of Advanced Technology in Ancient Civilizations
by:
Rene Noorbergen
3.85 avg rating — 99 ratings 21. 
Astronaut Gods of the Maya: Extraterrestrial Technologies in the Temples and Sculptures 3.90 avg rating — 49 ratings
26. 
The Stairway to Heaven (The Earth Chronicles, #2)
by:
Zecharia Sitchin
4.02 avg rating — 1,596 ratings 
33. 
Twilight of the Gods: The Mayan Calendar and the Return of the Extraterrestrials 3.84 avg rating — 844 ratings
34. 
34. 
Epic Adventure of Shiva, the Destroyer of Tripura (Book 1 of ANCIENTS Series)
by:
M. Vizhakat
3.77 avg rating — 210 ratings 
34. 
Reign of the Anunnaki: The Alien Manipulation of Our Spiritual Destiny
by:
Jan Erik Sigdell
3.72 avg rating — 29 ratings 34. 
Magicians of the Gods: The Forgotten Wisdom of Earth's Lost Civilization
by:
Graham Hancock
4.18 avg rating — 6,597 ratings 34. 
Lost Civilizations: The Secret Histories and Suppressed Technologies of the Ancients
by:
Jim Willis
4.06 avg rating — 36 ratings 
50. 
Ancient Astronauts, Cosmic Collisions and Other Popular Theories About Man's Past 3.88 avg rating — 24 ratings
50. 
This Changes My Family and My Life Forever (The Spanners, #2)
by:
Sally Ember
4.43 avg rating — 14 ratings 
50. 
Antigravity Propulsion (The Underground Knowledge Series, #2)
by:
James Morcan
4.10 avg rating — 185 ratings 50. 
The Cygnus Key: The Denisovan Legacy, Göbekli Tepe, and the Birth of Egypt
by:
Andrew Collins
3.98 avg rating — 86 ratings 50. 
Ancient Gods: Lost Histories, Hidden Truths, and the Conspiracy of Silence
by:
Jim Willis
3.63 avg rating — 30 ratings 
58. 
Strange Creations: Aberrant Ideas of Human Origin from Ancient Astronauts to Aquatic Apes
by:
Donna Kossy
3.84 avg rating — 79 ratings 58. 
Ancient Aliens and the Age of Giants: Through the Wormhole
by:
Lars Bergen
3.83 avg rating — 41 ratings 58. 
58. 
62. 
Giants in The Earth: Amazing Suppressed Archeological Evidence Proves They Once Existed 3.80 avg rating — 10 ratings
62. 
Ancient Alien Ancestors: Advanced Technologies That Terraformed Our World
by:
Will Hart
3.71 avg rating — 28 ratings 65. 
Point of Origin: Gobekli Tepe and the Spiritual Matrix for the World's Cosmologies
by:
Laird Scranton
3.65 avg rating — 48 ratings 
66. 
Gobekli Tepe: Genesis of the Gods: The Temple of the Watchers and the Discovery of Eden
by:
Andrew Collins
3.70 avg rating — 624 ratings 68. 
Slave Species of the Gods: The Secret History of the Anunnaki and Their Mission on Earth 4.03 avg rating — 517 ratings
69. 
The Secret History of Extraterrestrials: Advanced Technology and the Coming New Race
by:
Len Kasten
3.78 avg rating — 107 ratings 70. 
Gods of Eden: Egypt's Lost Legacy and the Genesis of Civilization
by:
Andrew Collins
3.76 avg rating — 167 ratings 70. 
The Cygnus Mystery: Unlocking the Ancient Secret of Life's Origins in the Cosmos
by:
Andrew Collins
3.89 avg rating — 98 ratings 72. 
The Lost Book of Enki: Memoirs & Prophecies of an Extraterrestrial God
by:
Zecharia Sitchin
4.18 avg rating — 1,643 ratings 
