Sherlock: From Adler to Amberley- The Adventure of the Beryl Coronet

Karl Coppack welcomes Sherlockian Rob Nunn to discuss the eleventh story from the Sherlock Holmes canon:
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The Adventure of the Beryl Coronet
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Rob is the author of The Criminal Mind of Baker Street
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http://interestingthoughelementary.blogspot.com/
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Twitter @Rob_Nunn