| 100% | VICARAGE | 8 | Agatha Christie mystery novel: Murder at the __ |
| 57% | ORIENT | 6 | "Murder on the ___ Express," mystery novel by Agatha Christie where a detective investigates a murder aboard a snowbound train |
| 56% | ACKROYD | 7 | The Murder of Roger __, Agatha Christie mystery |
| 55% | ORIENT | 6 | Agatha Christie novel "Murder on the ___ Express" |
| 50% | MOUSETRAP | 9 | The __, UK murder mystery play by Agatha Christie |
| 50% | VICARAGE | 8 | The Murder at the __, Miss Marple's first mystery |
| 50% | ORIENTEXPRESS | 13 | Setting for an Agatha Christie murder mystery |
| 50% | READ | 4 | Enjoy an Agatha Christie murder mystery, say |
| 48% | EXPRESS | 7 | Murder on the Orient __, Agatha Christie tale |
| 48% | ORIENT | 6 | Murder on the __ Express by Agatha Christie |
| 47% | ORIENT | 6 | "Murder on the ___ Express" (Agatha Christie novel) |
| 47% | STYLES | 6 | The Mysterious Affair at __, an A. Christie novel |
| 46% | ABC | 3 | Agatha Christie's "The ___ Murders" |
| 46% | ABC | 3 | Agatha Christie's "The __ Murders" |
| 45% | INN | 3 | "The Mystery at the Lilac ___" (Carolyn Keene novel) |
| 45% | ORIENT | 6 | Agatha Christie's "Murder on the ___ Express" |
| 45% | TENLITTLEINDIANS | 16 | Agatha Christie mystery |
| 44% | THENILE | 7 | Agatha Christie mystery setting |
| 44% | MOUSETRAP | 9 | Agatha Christie West End murder-mystery play |
| 43% | NILE | 4 | "Death on the ___," Agatha Christie mystery |
| 43% | ATIDE | 5 | Agatha Christie mystery "There Is ___..." |
| 43% | CLOCKS | 6 | The —, 1963 Agatha Christie novel featuring Hercule Poirot |
| 42% | POISON | 6 | Staple of Agatha Christie mysteries |
| 42% | TWISTS | 6 | Features of Agatha Christie mysteries |
| 41% | BIGFOUR | 7 | The —, 1927 novel by Agatha Christie |
| 41% | NILE | 4 | Setting for an Agatha Christie mystery |
| 41% | THENILE | 7 | Setting for an Agatha Christie mystery |
| 41% | THEROMANHAT | 11 | 1929 novel featuring the murder of lawyer Monte Field; first of the Ellery Queen mysteries |
| 41% | ORIENT | 6 | "Murder on the ___ Express" (Agatha Christie mystery) |