Buying guide
Books Like Imminent by Luis Elizondo
Short answerImminent is an insider's book: Luis Elizondo, who ran the Pentagon's AATIP program, on what he says he saw, published August 20, 2024 and a bestseller within the week. Readers who finish it want more from the inside, and there are only a handful of books that deliver it, because only a handful of insiders have written. Five do the job from different angles: another program insider, the journalist who got to the insiders, the reporter who made officials go on the record, the scholar who studied the believers, and Ancient Aliens to Modern UFOs, which puts Elizondo and AATIP at the end of a record that begins three thousand years before him.
In this guide
What Imminent gives a reader
Before 2017 nobody with Elizondo's access had written a book. Imminent is the Advanced Aerospace Threat Identification Program from the desk of the man who ran it: the cases, the resistance, the resignation, and the claims about what the government holds. You do not have to accept every claim to see why the book sold.
What readers want next is more of that access. Below, the five books that have some, each from a different seat.
The full account is in Ancient Aliens to Modern UFOs: The Disclosure Revolution.Buy on AmazonDetails
Five books that pass
- Skinwalkers at the Pentagon, James Lacatski, Colm Kelleher, and George Knapp, 2021. The program before AATIP, AAWSAP, from the man who ran it. Stranger than Imminent and more specific about what was funded.
- In Plain Sight, Ross Coulthart, 2021. The journalist who got to Elizondo, Mellon, and others early. The investigation that set up much of what Imminent later said in the first person.
- UFOs: Generals, Pilots, and Government Officials Go on the Record, Leslie Kean, 2010. The book that made it respectable for officials to talk. Testimony with names, ranks, and dates. Still the standard.
- American Cosmic, Diana Walsh Pasulka, 2019. A religion scholar embedded with the scientists and insiders who believe. The best explanation of the world Elizondo moves in.
- Ancient Aliens to Modern UFOs: The Disclosure Revolution, Adil Bhatti, 2025. Ancient Aliens to Modern UFOs: The Disclosure Revolution, by Adil Bhatti, is the documented record in one volume, from the Sumerian tablets to the 2023 Congressional hearings. Paperback, hardcover, and Kindle on Amazon. Elizondo and the exposure of AATIP are one chapter of its final part. The 1942 Battle of Los Angeles, Roswell, Rendlesham, and the USS Nimitz are the chapters that explain why his program existed.
| Book | Written by an insider | Pentagon programs | Named witnesses | Historical cases | The ancient record |
|---|---|---|---|---|---|
| Skinwalkers at the Pentagon | Yes, AAWSAP | Yes | Some | No | No |
| In Plain Sight | No, journalist | Yes | Many | Some | No |
| Kean, Go on the Record | No, journalist | Some | Many, with ranks | Yes | No |
| American Cosmic | No, scholar | Some | Anonymized | No | No |
| Ancient Aliens to Modern UFOs | No, author | AATIP, PURSUE context | Elizondo, Grusch, Fravor, Graves | 1561 to Nimitz | Yes |
Which one to buy
Want the other insider: Skinwalkers at the Pentagon. Want the journalist who got there first: In Plain Sight. Want testimony with ranks attached: Kean. Want to understand the believers: American Cosmic. Want Elizondo's program placed inside the whole record, from the tablets to the 2023 hearings, in one book: Ancient Aliens to Modern UFOs.
Takeaway. Imminent is one man's seat. The five books here are the other seats in the room, and one of them is the room itself.
The full account is in Ancient Aliens to Modern UFOs: The Disclosure Revolution.Buy on AmazonDetails
What people get wrong
- Expecting another Imminent
- There is only one Elizondo. The other insiders, Lacatski especially, write differently and claim different things.
- Treating Imminent as the beginning
- AATIP started in 2007. The record Elizondo joined starts in 1942 at the latest. The book covering that is on this list.
- Skipping the skeptical reads
- Kean and Pasulka are careful. Reading them makes Imminent easier to weigh, not harder to enjoy.
- Ignoring the files now public
- Since May 8, 2026 the Pentagon has been releasing UAP records at war.gov/ufo. Our PURSUE guide shows how to read them alongside Imminent.
Questions and answers
What should I read after Imminent by Luis Elizondo?
Skinwalkers at the Pentagon for the other insider, In Plain Sight for the journalist who got there first, Leslie Kean's Go on the Record for testimony with ranks attached, American Cosmic for the believers, and Ancient Aliens to Modern UFOs for Elizondo's program placed inside the full record.
When was Imminent published?
August 20, 2024, by William Morrow. It was a New York Times bestseller in its first week.
Is Ancient Aliens to Modern UFOs like Imminent?
In its final part. Elizondo, AATIP, the Navy footage, and the 2023 hearings are covered there. The rest of the book is the record Imminent does not attempt: the ancient texts, the 1561 Nuremberg event, the Battle of Los Angeles, Roswell, Rendlesham, Phoenix, and the Nimitz, in order.
When did AATIP become public?
December 16, 2017, when the New York Times reported the existence of the Advanced Aerospace Threat Identification Program and published the Navy videos alongside it. Elizondo had resigned from the Pentagon two months earlier. Imminent is his account of what came before that date.
Is Skinwalkers at the Pentagon like Imminent?
It is the insider book about the program before Elizondo's, AAWSAP, written by its director James Lacatski with Colm Kelleher and George Knapp. More specific about contracts and funding, stranger in content.
Are there other UFO insider books besides Imminent?
Few. Skinwalkers at the Pentagon is the main one. Most of the rest of the field is journalists interviewing insiders: Coulthart, Kean, Graff.
Is Imminent credible?
Its author's role is confirmed by the Pentagon in part and disputed in part, and the book's biggest claims rest on his word. Reading Kean and Pasulka beside it is the fair way to weigh it.
Which book explains the history behind Elizondo's program?
Ancient Aliens to Modern UFOs covers the military record from 1942 forward and the ancient record before it. Garrett Graff's UFO covers the government programs from 1947 in depth.
Is there a shorter book than Imminent on the same subject?
Leslie Kean's 2010 book is denser but organized by witness, so it can be read in pieces. Ancient Aliens to Modern UFOs is organized by era for the same reason.
Did the Pentagon release anything after Imminent?
Yes. Under the PURSUE program, declassified UAP records have been published at war.gov/ufo on a rolling basis since May 8, 2026. None of the books on this list could cover them; our PURSUE guide does.
Ancient Aliens to Modern UFOs: The Disclosure Revolution
The documented record in one volume, from the Sumerian tablets to the 2023 Congressional hearings. Paperback, hardcover, and Kindle.