Sir Arthur Conan Doyle liked to tantalize his readers by name-dropping the titles—and only the titles—of some adventures of Sherlock Holmes which he never actually wrote, such as The Giant Rat of Sumatra, and The Singular Affair of the Aluminum Crutch. But he devoted two whole paragraphs to a detailed description of one such unwritten adventure: the case in which Holmes “thwarted the colossal schemes of Baron Maupertuis, the most accomplished swindler in Europe.”

For an anthology of new Holmes stories, Hal wrote a pastiche adventure, and later scripted it. What you are about to see—performed in old-time-radio style, with scripts in hand and live sound effects—is the audio-play Hal calls Sherlock Holmes and the Nefarious Baron. It was performed on January 7, 2026 at The Coffee House Club / Salmagundi Club in New York.

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