Question: is the sinner on netflix based on a book

Answer: Yes, The Sinner is an American anthology crime drama mystery television series, based on the novel of the same name by German crime writer Petra Hammesfahr. Eight episodes of the program, originally conceived of as a ``close-ended series'', were ordered in January 2017 and premiered on USA Network on August 2, 2017. In March 2018, the series was renewed for a second season, also of eight episodes, which premiered on August 1, 2018, and concluded on September 19, 2018.