The novel is set in Egypt during the 18th dynasty when Akhnaton
, who ruled from 1353 to 1336 BC, established a new monotheistic cult.
For the record, the plays are: Black Coffee, And Then There Were None, Appointment with Death, Murder on the Nile, The Hollow, Witness for the Prosecution, Spider's Web, A Daughter's a Daughter, Verdict, The Unexpected Guest, Go Back for Murder, Fiddlers Three, Rule of Three, The Patient, The Rats, Afternoon at the Seaside, The Yellow Iris, Three Blind Mice, Personal Call, Butter in a Lordly Dish, Akhnaton
, The Wasp's Nest, Towards Zero and, of course, The Mousetrap.
In this connection, Immanuel Velikovsky identified, in a documented manner, this classical dramatic character of Antigone (who played two distinct roles) with Meritaten (who entombed her dead half-brother Smenkhkare and was imprisoned in a pit tomb for doing this) and Beketaten (who went in exile with her father)--both being the daughters of Amenhotep IV, known also as Akhnaton