Dust jacket by Gavin L. O'Keefe

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THE MURDERED MATHEMATICIAN

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Quiribus Brown, probably the only 7½-foot tall mathematical detective in the Midwest, has got to solve the mystery of who killed Professor Munstergale, or he’ll never get his rightful inheritance. Luckily, Munstergale lived long enough to draw on a blackboard two diagrams, one pointing to his killer, and the other pointing to where he knew the killer from. There are two theories, both involving prominent citizens as suspects, and Inspector Clarvoe’s job is depending on Quiribus’ deciding which theory—or neither—is correct. The pressure is non-stop in this 1947 classic webwork mystery from the pen of Harry Stephen Keeler.