I will pretty much devour any thriller or mystery novel but I'd prefer something that feels like a classic or that has an underlying philosophical undertone? (Sorry my English sucks) by Traditional-Lead-972 Related: Something as similar as possible to The House in the Cerulean Sea — that is not written by TJ Klune Need suggestions for a Mystery/Thriller Book with religious overtures. Please suggest a book set in space with themes of existential dread and loneliness Sympathetic cults Recs for tragicomedy please