The Man Who Knew is a 1918 British thriller novel by Edgar Wallace. A detective investigates the death of a South Africa diamond magnate in London.
Adaptation In 1961 it was turned into the film Partners in Crime, directed by Peter Duffell as part of a long-running series of Wallace films made at Merton Park Studios.Goble p.488
References
Bibliography Goble, Alan. The Complete Index to Literary Sources in Film. Walter de Gruyter, 1999.
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