The NHI Canon
Everyone in this field has a reading list. Nobody scores it. We do. Every book here is rated on the same four axes, influence, rigor, how well it holds up, and readability, and summed to a Canon score out of 12. Foundational classics, cult curiosities, outright hoaxes, and the skeptics who kept us honest, all on one shelf, all measured the same way. We read the source material so the verdict means something.
- Books scored
- 20
- Top score
- 12/12
- Shelves
- 3
Core Canon
The books that built the field. Read these and you can hold a conversation with anyone in it.
1. Contact With Alien Civilizations
Michael A.G. Michaud · 2007
A former US diplomat sets aside whether aliens are here and asks the harder question: what would contact with a genuine extraterrestrial civilization actually mean for humanity, and are we ready to decide.
Well-Documented2. Communion: A True Story
Whitley Strieber · 1987
A successful horror novelist reports being taken from his cabin by non-human beings and, unusually, presents the account not as proof but as an unresolved terror he cannot explain away.
Contested3. Skinwalkers at the Pentagon
James Lacatski, Colm Kelleher, George Knapp · 2021
The insiders who ran the Pentagon's real UFO program say it was never only about aircraft: it studied high strangeness at Skinwalker Ranch, and the strangeness allegedly followed people home.
Contested4. Invisible Residents
Ivan T. Sanderson · 1970
A trained naturalist argues that a technologically advanced civilization could have evolved in the oceans long before humans walked on land, and that unidentified objects entering and leaving the water are the evidence we keep ignoring.
Contested5. Sekret Machines: Gods, Man & War
Tom DeLonge & Peter Levenda · 2017
The nonfiction companion argues that the UFO phenomenon is ancient, world-shaping, and entangled with religion and statecraft, and that modern secrecy is the latest chapter of a very old story.
ContestedAdjacent & Esoterica
Where UFOs bleed into the occult, ancient mysteries, and the contested fringe. Handle with tongs.
1. Extraordinary Encounters
Jerome Clark · 2000
A careful A to Z reference that catalogues the beings people say they have met, from contactee space brothers to fairy folk, documenting the claims and their sources without pretending the entities are real.
Credible2. Fingerprints of the Gods
Graham Hancock · 1995
Hancock argues that a sophisticated civilization was wiped out by a cataclysm near the end of the last ice age, and that its survivors seeded the myths, monuments, and astronomy of cultures worldwide.
Thin3. Magicians of the Gods
Graham Hancock · 2015
Hancock argues that a comet impact around 12,800 years ago wiped out an advanced Ice Age civilization whose survivors seeded the knowledge behind sites like Gobekli Tepe.
Thin4. Behold a Pale Horse
Milton William Cooper · 1991
A former Navy man claims a secret cabal has hidden the truth about aliens, engineered global control, and is steering humanity toward a one-world government.
Debunked5. Bringers of the Dawn
Barbara Marciniak · 1992
A self-described channel says a collective of Pleiadian intelligences dictated a program for human awakening, warning that our DNA was tampered with by our so-called gods and that we are a Family of Light here to reclaim it.
Thin6. Sekret Machines: Chasing Shadows
Tom DeLonge & A.J. Hartley · 2016
A rock star convinced he was briefed by insiders wraps that alleged knowledge in a technothriller, arguing that fiction can smuggle a truth the record cannot yet confirm.
Thin7. The Gods of Eden
William Bramley · 1990
Bramley argues that a hidden race of extraterrestrial 'Custodians' has farmed humanity since ancient Sumer, seeding war, religion, and secret societies to keep us divided and controlled.
Thin8. Sekret Machines: A Fire Within
Tom DeLonge & A.J. Hartley · 2018
The second novel widens the conspiracy, doubling down on the idea that a decades-old struggle over recovered technology is best revealed through story rather than proof.
Thin9. The Alien Races Book
Attributed to Dante Santori (disputed)
A viral internet catalogue of dozens of supposed alien species, sold as a leaked Soviet intelligence manual, that carries no verifiable provenance and reads as a fabrication.
Debunked10. The Lacerta Files
Anonymous · 1999
An anonymous internet transcript presents a talking underground reptilian as a real interview, and it reads as creative fiction dressed up as testimony.
Debunked11. The Ummo Letters
Anonymous ('Ummo') · 1966
Thousands of dense typed letters claiming to come from aliens on a planet called Ummo captivated Spanish and French ufology for a decade, until a Spanish researcher confessed he had written them to test how much people would believe.
Debunked12. Above Black
Dan Sherman · 1998
A former Air Force intelligence specialist claims he was groomed from before birth for a black program that trained him to communicate telepathically with extraterrestrials.
Thin13. Chasing Phantoms
Carissa Conti · 2013
A self-published experiencer memoir arguing the author is a MILAB, a person allegedly abducted by a joint military and alien program, and offering personal tactics for pushing back against it.
Thin14. The Keepers
Jim Sparks · 2006
A self-described abductee reports being taught, over years and while fully awake, by non-human 'Keepers' who he says warned him about humanity's destruction of the planet.
ThinThe Skeptic's Shelf
The counterweight. We score these on the same rubric, and some of them win.
How the scoring works
Four axes, zero to three each, summed to twelve. It is the same instinct behind the ranked cases: fame is not evidence, and a book's reputation is not its rigor.
- Influence
- How much it shaped the field or the culture.
- Rigor
- Evidentiary quality of the book's own method.
- Holds up
- How its claims survive today's evidence.
- Readability
- Whether it's worth the hours.
Frequently asked
What are the essential UFO books to read? +
Start with the Core Canon shelf: the handful of books that built the field and that every serious researcher still argues about. We rank them by a four-axis score, influence, rigor, how well the claims hold up, and readability, so you can tell a foundational text from a cult curiosity before you spend the hours.
How are the books scored? +
Each book is rated 0 to 3 on four axes: influence on the field, the evidentiary rigor of its own method, how well its central claims hold up against today's evidence, and readability. The four add up to a Canon score out of 12. A channeled or hoax text can score high on influence and still land near the bottom overall. The rubric is the same one we apply to cases, and we apply it to skeptics too.
Do these summaries replace reading the book? +
No, and they are not meant to. Each entry is a critical field guide: what the book claims, why it mattered, and what has held up or fallen apart since. If a book is worth your time we say so and link you to a copy. The goal is to help you choose well and read the real thing.
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