The Daffodil Mystery is a 1920 thriller novel by the British writer Edgar Wallace. It features the detective Jack Tarling and his Chinese assistant Ling Chu. Wallace cleverly concocts the plot by allowing the audience to play detective and seek out the person behind the elusive murder, while cleverly maneuverer by false assumptions. Abundant with mystery, suspense, and unexpected twists, the novel is sure to mesmerize with its clever style and well-conceived plot that keeps one guessing until the very end. Set in England at the turn of the 20th century, Wallace's crime novel The Daffodil Mystery follows the mysterious circumstances under which shop owner Lyne has been murdered. Accordingly, it is up to detective Jack Tarling and his trusted Chinese assistant to solve the case and reach an appropriate and just resolution.