Actor Patton Oswalt lost his wife in 2016 to an undiagnosed heart condition. At the time, she was working on a true crime book about the hunt for the Golden State Killer. Although she wasn't able to finish the book herself, he wanted to make sure that the book was completed and published. That book is one of the most anticipated non-fiction titles of early 2018, and you can read the New York Times Book Review article about Oswalt and his fight to finish his late wife's book here. And don't forget to buy the book, Michelle McNamara's I'll Be Gone in the Dark, out today, February 27.