Harper Lee's 'Go Set a Watchman' is still on top of U.S. bestsellers list

Harper Lee's "Go Set a Watchman" spent a fourth consecutive week at the top of the U.S. fiction bestsellers list on Thursday, edging out a new thriller novel from James Patterson. James Patterson and Michael Ledwidge novel 'Alert' is second on the list, followed by Paula Hawkins' 'The Girl on the Train'. Mark R. Levin's 'Plunder and Deceit' topped the list for Hardcover Nonfiction.