Adventures from Watson's Third Box

Doctor John Watson tantalisingly informed us, in The Problem of Thor Bridge, that a box full of unpublished adventures of Sherlock Holmes had been left in the vaults of Cox & Co. of Charing Cross. However, what Watson neglected to tell us was that more than one such box existed, containing accounts of the great detective which had hitherto remained unknown, save for cryptic hints dropped by Watson in the published stories.

Hugh Ashton, recognised to be one of the leading writers of Sherlock ...