Mystery/Thriller Deals The Best Mystery and Thriller Deals of the Day: December 18, 2023 Deals Dec 18, 2023 This content contains affiliate links. When you buy through these links, we may earn an affiliate commission. $3.99We Keep the Dead Close by Becky CooperGet This Deal$2.99You're Invited by Amanda JayatissaGet This Deal $1.99The House on Vesper Sands by Paraic O'DonnellGet This Deal$0.99Spider by Azma DarGet This Deal $0.99Sweetpea by CJ SkuseGet This Deal$1.99The Secret Adversary by Agatha ChristieGet This Deal You Might Also Like The Most Read Books on Goodreads This Week 8 New Horror Novels That Will Creep You Out This November Goodreads Readers' Favorite Books From the Last 10 Years The It Books of November Put These 2025 Releases on Your TBR Now 5 Great Fantasy Books with Royal Intrigue