Did Sir Arthur Conan Doyle conspire to deny Fletcher Robinson recognition for devising the plot and supplying much of the local detail for “Hound of the Baskervilles,” one of Sherlock Holmes’ greatest adventures? A new book makes the charge and also “claims to have found circumstantial evidence that Conan Doyle may have murdered his former friend when he became worried that the deception might be exposed.” – Sunday Times (UK)