21:15Sherlock HolmesThe Adventures of Sherlock HolmesEpisode 12: The Copper BeechesBBC Radio 4 Extra Duration: 45 minutes Fri 12th Jul 2013, 21:15 on BBC Radio 4 ExtraA young governess consults the detective in a most sinister case. Starring Clive Merrison, Michael Williams and Imogen Stubbs.GenresDramaCrimeBrandSherlock HolmesSeriesSherlock Holmes: The Adventures of Sherlock Holmes Source: BBC Online