Harper Lee’s second novel Go Set a Watchman is coming in July — news that was greeted first with applause, then with a growing sense of unease, as reports came in that the 88-year-old Lee might not be of sound mind. As Lee’s team works to reassure fans that everything about the new release is all aboveboard, People has the first look at the book’s cover. There’s a train on the cover! How can you feel weird about a book that has a train on the cover?