The stunning story of an Alabama serial killer and the true-crime book that Harper Lee worked on obsessively in the years after the publicaition of her classic novel To Kill a Mockingbird - a complicated and difficult time in her life that, until now, has been very littel examined. This is the story Harper Lee wanted to write. This is the story of why she couldn't. Shortlisted for the Baillie Gifford Prize for Non-Fiction 2019.