for her detective stories. In 1931 Christie published The Sittaford Mystery (1931). This was followed by Peril at End House (1932), Lord Edgware Dies (1933), Murder on the Orient Express (1934), Why Didn't They Ask Evans? (1934), Three Act Tragedy (1935), Death in the Clouds (1935), The A.B.C. Murders (1936), Murder in Mesopotamia (1936), Cards