“I’ll Be Gone in the Dark: One Woman’s Obsessive Search for the Golden State Killer” is a true crime book written by Michelle McNamara about the investigation of the Golden State Killer. The book was released on February 27, 2018, nearly two years after McNamara’s death and two months before an arrest would be made in the case. The book has received a rating of 4.34 out of 5 on Goodreads based on 350,684 ratings and 22,000 reviews.