Crossword clues for Most mysterious:MYSTERYAgatha Christie outputMYSTERIOUSCabalistic.MYSTERYCarolyn Keene's genreMYSTERYP.D. James offeringMYSTERYWhodunitMYSTERYWhodunit, for exampleMYSTERYJohn Dickson Carr specialty.MYSTERYStory of a sort.MYSTERYSee 52-AcrossMYSTERYGenre for Christie or RendellMYSTERIESUnknownsMYSTERYClue genre, in partMYSTERYSomething to figure outMYSTERYUnkownMYSTERYMind-bogglerMYSTERIOUSOf a secret natureMYSTERIOUSVery strangeMYSTERYInexplicable phenomenon.MYSTERIESEscape literature.MYSTERYType of story.MYSTERIOUSWith 19 Across, the OrientMYSTERYHead-scratcherMYSTERYWhat often comes with a twist?MYSTERYGenre of the Edgar AwardsMYSTERYAgatha Christie's genreMYSTERYWhodunit genreMYSTERYJosephine Tey's genreMYSTERIESStories with culpritsMYSTERYDetective storyMYSTERIOUSLYI forgot to husk one ear of corn, said Tom ___MYSTERYJohn Dickson Carr's genreMYSTERIESTales of Hercule PoirotMYSTERIESSee 17-AcrossMYSTERYQueen's genreMYSTERYGrafton genreMYSTERYAgatha Christie offeringMYSTERYBlanche on the Lam, for oneMYSTERYObject of speculationMYSTERYSuspense novelMYSTERYEdgar Allan Poe's specialty.MYSTERYPopular book.MYSTERYRex Stout story.MYSTERYFavorite hammock reading.MYSTERIESReading matter.MYSTERIOUSThe ___ Lady, 1928 filmMYSTERYChristie productMYSTERYAgatha Christie genreMYSTERIESDetective storiesMYSTERYOpen caseNANCYS___ Mysterious Letter (1932 mystery)