Crossword clues for Mysterious. 6 letters:NANCYS___ Mysterious Letter (1932 mystery)ELLERYThe French Powder Mystery author Queen998001___ and its Mysterious Recurring Decimals (Numberphile video about the largest perfect power that fits in the space for this answer)AGATHAChristie of mysteriesUMBRALMysterious and shadyBUTLERSuspect in many murder mysteriesELKINSMystery writer AaronARCANAMysterious loreAGATHAMystery writer ChristieENIGMAMysteryENIGICMysteriousBANKSYMysterious British graffiti artist who once painted Steve Jobs as a Syrian migrantANGELAShe played Jessica, the mystery writerCURAREArrow poison used in some mysteriesRACERXMysterious car driver in a popular anime seriesARCANAMysterious knowledgeTWISTSMystery featuresRICOLAProduct with the "Mystery Cougher" contestAGATHAMystery's ChristieELLERYQueen of mysteriesPOIROTMan of mysteryARCANEHidden and mysteriousAGATHAMystery writer's awardPOIROTThe Mysterious Affair at Styles detectiveARCANEMysteriousMOTIVEMystery-plot elementZMOVIECheap, bare-budget production that might be mocked on "Mystery Science Theater 3000"EDGARSMystery awardsSLEUTH'72 Laurence Olivier mysteryARCANAKnowledge of the mysteriousBOSLEYTom of "Father Dowling Mysteries"AAFAIRErle Stanley Gardner pen name for his Cool and Lam mysteries (like the recently rediscovered "The Knife Slipped")EDGARSMystery writing awardsIMREALBaby there's no mystery J.Lo hitELLERYQueen of mysterySAYERSMystery writer Dorothy L.___VICTIMMurder mystery extraDAPHNEMystery Machine riderAGATHAFirst name in mysteriesLYNLEYInspector in Elizabeth George mysteriesDAPHNESleuth in the Mystery MachineHARLANMystery writer CobenALIBISMurder-mystery narratives?BORDENLizzie of ax mysteryORIENTWith 65 Across, mystery trainALIBISMystery stories?ALOOSEI'm ___ cannon. I'm unpredictable. (quote from Ben Stiller's character in "Mystery Men")DONALDMystery author WestlakeARCANAAlchemic mysteriesMURDERType of mystery