Book Riot s Mystery and Thriller Deals for September 12 2022 - 87Book Riot s Mystery and Thriller Deals for September 12 2022 - 88Book Riot s Mystery and Thriller Deals for September 12 2022 - 78Book Riot s Mystery and Thriller Deals for September 12 2022 - 94Book Riot s Mystery and Thriller Deals for September 12 2022 - 36