Beginning in the 1920s, the complex, plot-driven, whodunit genre of detective fiction experienced a 30-year Golden Age. In these stories, the puzzle takes center stage, and readers, who are provided with clues throughout the book, are challenged to deduce the perpetrator’s identity before it is revealed in the mystery’s final pages. Wilkie Collins’ The Moonstone (1868) is widely regarded as one of the first true whodunits. What famed children’s author also penned a whodunit in 1922? Discuss