The Secret Adversary The Secret Adversary The Secret Adversary is the second published detective fiction novel by British writer Agatha Christie, first published in January 1922 in the United Kingdom by The Bodley Head and in the United States by Dodd, Mead and Company later in that same year. The UK edition retailed at seven shillings and sixpence (7/6) and the US edition at $1.75. The book introduces the characters of Tommy and Tuppence who feature in three other Christie novels and one collection of short stories; the five Tommy and Tuppence books span Agatha Christie's writing career. The Great War is over,
Armchair Detectives to play along with the in-studio detectives. Each episode features a story set in the fictional Scottish village of Mortcliff (taken from "mort" meaning death and "cliff" as in cliffhanger). The in-universe investigations are led by detectives DI Knight and DC Slater, and forensic expert Officer Simmons. A team of three "armchair detectives" have to try to solve the murder. While there is no physical interaction with suspects, players view footage of events such as the finding of the body and the victim's last known whereabouts. They are also able to view physical evidence such as forensics or photos. The