In roughly chronological order, he considered the extraterrestrial hypothesis; a secret weapon/aircraft hypothesis, psychic/supernatural/interdimensional hypotheses in the vein of John Keel or Jacques Vallee; deep skepticism; and agnosticism.
The book combines Keel's account of receiving strange phone calls with reports of mutilated pets and culminates with the December 15, 1967, collapse of the Silver Bridge across the Ohio River.
John F. Kennedy | Pope John Paul II | Elton John | John | John Lennon | John Wayne | John McCain | John Kerry | John Cage | Olivia Newton-John | John Williams | John Peel | John Adams | John Steinbeck | John Travolta | John Milton | John Zorn | John Marshall | John Howard | John Singer Sargent | John Ruskin | John Updike | John Maynard Keynes | John Coltrane | John Cleese | St. John's | John Waters | John Lee Hooker | John Huston | John Ford |