The Secret Adversary

Published in January 1922, The Secret Adversary is the second detective fiction novel by British crime novelist Agatha Christie. The book introduces the characters of Tommy Beresford and Prudence Tuppence Cowley, two out-of-work twenty-somethings in post-war London. The two agree to form The Young Adventurers, Ltd, hiring themselves out with the slogan no reasonable offer refused. They are quickly...