The Human–Alien Hybrid Question: Evidence, Myth, and Feasibility
To the point
The hypothesis that aliens are breeding with humans is supported by close-encounter lore and personal testimonies but has no verifiable evidence and is biologically unlikely, despite figures such as J. Allen Hynek and Barney and Betty Hill.
Gskyer Refracting Telescope
After the Flying Saucers Came: A Global History of the UFO Phenomenon
Greg Eghigian
Passport to Magonia: From Folklore to Flying Saucers
Jacques Vallee
The Extraterrestrial Species Almanac: The Ultimate Guide to Greys, Reptilians, Hybrids, and Nordics (MUFON)
Craig Campobasso
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