Amanda Lohrey’s 10th novel, Capture, follows a clinical psychologist researching patients who say they have been abducted.

But the reviews for ‘Disclosure Day’ among the experts on UAP—unidentified aerial phenomena—are decidedly mixed.

Mack, of Harvard Medical School, is a long-time champion of alien abductees and a paranormal philosopher king of sorts. His 1994 bestseller, Abduction: Human Encounters With Aliens, drew international ...