Apart from the Groucho Marx series featured here, Ron Goulart has published a number of mysteries and several nonfiction books dealing with the world of the comic strip. He lives in Ridgefield, Connecticut.
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| Groucho Marx, Master Detective |
Groucho Marx, Private Eye |
Elementary, My Dear Groucho |
Groucho Marx and the Broadway Murders |
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| Groucho Marx, Secret Agent |
Groucho Marx, King of the Jungle |