| HERCULEPOIROT | Fictional detective introduced in The Mysterious Affair at Styles |
| HERCULE | First name of a Belgian detective who first appeared in The Mysterious Affair at Styles in 1920 (7) |
| INSPECTORMORSE | Detective introduced in Last Bus to Woodstock (1975) |
| POIROT | Fictional Belgian detective in "Queen of Crime" Agatha Christie's stories including The Mysterious Affair at Styles, Murder on the Orient Express and Death on the Nile (6) |
| CHRISTIE | Agatha, British crime novelist whose first book was The Mysterious Affair At Styles (8) |
| AGATHA | Forename of the apothecary assistant- turned-novelist who used poison to fictionally dispatch around 30 of her characters, including the victim of a "mysterious affair at Styles" (6) |
| STYLES | Essex country manor in the title of a 1920 Agatha Christie novel, The Mysterious Affair at ___ (6) |
| MYSTERIOUS | The - Affair at Styles; novel by Agatha Christie in which she introduces the detective Hercule Poirot (10) |
| KISMET | Baubles, Bangles And Beads and Stranger In Paradise were hits from this musical set in the mysterious east and based on the music of Borodin |
| AFFAIR | The Mysterious At Styles, first detective novel by Agatha Christie, introducing Hercule Poirot (6) |
| TEXAS | Where Americans get cross in the mysterious East (5) |
| ASSETS | Possessions of saints in the mysterious East (6) |
| TAMIL | Ms. Perumal's mother tongue, in "The Mysterious Benedict Society" |
| BACKS | Dorsa resting on the splats of chairs; or, the hard hinds or spines of books, from dictionaries to stories about Styles's mysterious affairs (5) |
| UNIDENTIFIED | Mysterious affair seen briefly coming over in profundity? (12,6,6) |
| AREA | Mysterious affair, yeti? Mysterious place (4,5-3) |
| PLAYAROUND | Have an affair at the golf club? (4,6) |
| BUSINESS | Affair at the office? (8) |
| RUEDA | Cuban dance was sorry affair at first |
| SOLITAIRE | Crude oil affair at first tries American's patience |