To Kill a Mockingbird' will not be the reclusive author Harper Lee's only published book after all. Publisher Harper announced Tuesday that 'Go Set a Watchman,' a novel the Pulitzer Prize-winning author completed in the 1950s and put aside, will be released July 14. Rediscovered last fall, 'Go Set a Watchman' is essentially a sequel to 'To Kill a Mockingbird,' although it was finished earlier. The 304-page book will be Lee's second, and the first new work in more than 50 years. The publisher plans a first printing of 2 million copies. 'In the mid-1950s, I completed a novel called...