Former FBI director James Comey’s new book A Higher Loyalty: Truth, Lies and Leadership is proving to be a bonafide publishing juggernaut. The book sold 600,000 in its first week, triple the early sales of Michael Wolff’s Fire and Fury. Last week, Amazon ran out of stock on the book, sources said. Bolstered by a barnstorming tour by Comey, the book launched with an 850,000 copy print run, and Flatiron has gone back to the presses. There are more than 1 million copies in print, and they’ll burn through that by next week, making this a faster seller than either Trump-critical political books Fire and Fury and Hillary Clinton’s What Happened.