"The Innocent Man" is a true crime book written by John Grisham, published in 2006. It tells the story of Ron Williamson, a man wrongfully convicted of murder in Oklahoma in the 1980s. The book explores the flaws in the criminal justice system, including unreliable witness testimonies and inadequate legal representation. The narrative follows Williamson's life, detailing his struggles with mental health and the impact of his wrongful conviction on his family and community. Grisham highlights the long journey to exoneration, emphasizing the importance of justice and the need for reform in the legal system.