| ANDTHENTHEREWERENONE | The world's best-selling mystery novel written by Agatha Christie in 1939 under a different title (3,4,5,4,4) |
| ESAU | 1997 Philip Kerr best-selling mystery |
| MYSTERIOUS | The - Affair at Styles; novel by Agatha Christie in which she introduces the detective Hercule Poirot (10) |
| HERCULEPOIROT | Fictional detective created by Agatha Christie in the 1920 novel The Mysterious Affair at Styles (7,6) |
| THREEBLINDMICE | Short story by Agatha Christie in the incredible novel enthrals many (5,5,4) |
| MOUSETRAP | The ___ murder mystery play written by Agatha Christie (birthday today) whose 25000th performance took place in 2012 |
| THEMOUSETRAP | The longest-running West End play, which opened in 1952, written by Agatha Christie (3,9) |
| ZOOTOPIA | Winner of the 2017 Oscar for Best Animated Feature, released with a different title in the UK (8) |
| WHITECHRISTMAS | 1942 song by Irving Berlin, sung by Bing Crosby, that is the world's best-selling single (5,9) |
| REDLABEL | Brand produced by Johnnie Walker since 1909, the world's best-selling scotch whisky (3,5) |
| MARPLE | Miss ......, a character created by Agatha Christie in 1927 (6) |
| POIROT | Hercule ___, fictional Belgian detective created by Agatha Christie in 1920 |
| RENAME | Some of the Brethren Americans call by a different title (6) |
| THRILLER | The world's best-selling album, released in 1982 |
| MANILOW | Barry --, American singer-songwriter, one of the world's best-selling artists (7) |
| COROLLA | Dating back to 1966, this Toyota went on to become the world's best-selling nameplate (7) |
| THINONTHEGROUND | In inadequate supply on hot night, under a different guise (4,2,3,6) |
| MYSTERYPLAY | Medieval entertainment ___ written by Agatha Christie? (7,4) |
| ELLE | Which is the world's best-selling fashion magazine? (4) |
| LEGOS | They're the world's best-selling tires |
