The Technique of the Mystery Story Carolyn Wells A how-to guide for detective and mystery novelists. This authoritative study by mystery writer Carolyn Wells includes instructions on how to outline the plot, develop characters and narrate thrilling and puzzling crime stories. The book also offers advice on how to avoid pitfalls including coincidences, overuse of disguises and the inevitable "butler did it" ending. Wells draws considerable inspiration and advice from the masters of the art: Gaboriau, Poe, Conan Doyle, Anna Katharine Green and many, many others. Originally published in 1913 by Carolyn Wells, author of more than 170 books including The Clue (1909), Murder at the Casino (1941) and the Fleming Stone detective stories.