<p>The Secret Adversary Agatha Christie - 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[1] and in the United States by Dodd, Mead and Company later in that same year.<br><br>Hiring themselves out as "young adventurers willing to do anything" is a smart move for Tommy and Tuppence. All Tuppence has to do is take an all...