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,
Tommy and Tuppence the four novels are "The Secret Adversary" (1922), "N or M?" (1941), "By the Pricking of My Thumbs" (1968); and "Postern of Fate" (1973). "Postern of Fate" was the last novel Christie ever wrote, although not the last to be published. Tuppence appears as a charismatic, impulsive, and intuitive person while Tommy is less imaginative and less likely to be diverted from the truth (as their first adversary sums him up "he is not clever, but it is hard to blind his eyes to the facts") which is why they are shown to make a good team. It is in