Keel, John A. 's Books
A very well recieved series by Keel, John A. are the books, featuring tropes. The most popular books are Flying Saucer to the Center of Your Mind: Selected Writings of John A. Keel, THE EIGHTH TOWER: On Ultraterrestrials and the Superspectrum, which was published in 2022.
Flying Saucer to the Center of Your Mind: Selected Writings of John A. Keel
THE EIGHTH TOWER: On Ultraterrestrials and the Superspectrum