The Thirteen Problems is a short story collection by British writer Agatha Christie, first published in the UK in June 1932 and in the US in 1933 under the title The Tuesday Club Murders. The thirteen stories feature the amateur detective Miss Marple.
• "The Tuesday Night Club" - first published in The Royal Magazine, December 1927
• "The Idol House of Astarte" - first published in The Royal Magazine, January 1928
• "Ingots of Gold" - first published in The Royal Magazine, February 1928
• "The Blood-Stained Pavement" - first published in The Royal Magazine, March 1928
• "Motive v. Opportunity" - first published in The Royal Magazine, April 1928
• "The Thumb Mark of St. Peter" - first published in The Royal Magazine, May 1928
• "The Blue Geranium" - first published in The Royal Magazine, December 1929
• "The Companion" - first published under the title "The Resurrection of Amy Durrant" in The Story-Teller Magazine, February 1930
• "The Four Suspects" - first published in The Story-Teller Magazine, April 1930
• "A Christmas Tragedy" - first published under the title "The Hat and the Alibi" in The Story-Teller Magazine, January 1930
• "The Herb of Death" - first published in The Story-Teller Magazine, March 1930
• "The Affair at the Bungalow" - first published in The Story-Teller Magazine, May 1930
• "Death by Drowning" - first published in Nash's Pall Mall Magazine, November 1931
