Michelle Dowd is the author of "Forager: Field Notes on Surviving a Family Cult," revealing her life growing up on an isolated mountain within an apocalyptic cult, and how she found her way out by gleaning strength from the...

Graham Hancock, formerly a foreign correspondent for "The Economist," has been an international bestselling author for more than 30 years with a series of books, notably "Fingerprints of the Gods," "Magicians of the Gods" and "America Before," which investigate the controversial possibility of a...