Mystery/Thriller Deals The Best Mystery and Thriller Deals for September 23, 2024 The best mystery and thriller book deals of the day, all hand picked by Book Riot. Deals Sep 23, 2024 This content contains affiliate links. When you buy through these links, we may earn an affiliate commission. Today's Featured Book Deals $1.99The Decagon House Murders by Yukito Ayatsuji, translated by Ho-Ling WongGet This Deal$1.99The Honjin Murders by Seishi Yokomizo, translated by Louise Heal KawaiGet This Deal $1.99The Five Year Lie by Sarina BowenGet This Deal$1.99The Child Finder by Rene DenfeldGet This Deal $1.99The Marlow Murder Club by Robert ThorogoodGet This Deal$1.99I Have Some Questions for You by Rebecca MakkaiGet This Deal You Might Also Like The Perfect Dark Academia Novel for Your Fall TBR Save It for Later: 5 of My Most Anticipated SFF Books of 2025 Must-Read Hidden Gem Memoirs The Book That Helped Me Beat Burnout Cover Craft: 8 of the Best Romantasy Covers What Really Lurks Beneath: 8 Books About Houses Haunted by More Than Just Ghosts