21:15Sherlock HolmesThe Casebook of Sherlock Holmes - Series 1Episode 5: The Sussex VampireBBC Radio 7 Duration: 45 minutes Thu 27th May 2010, 21:15 on BBC Radio 7The Baker Street sleuth's powers of deduction and reason are challenged by the creatures of the night. Stars Clive Merrison.GenresDramaCrimeBrandSherlock HolmesSeriesSherlock Holmes: The Casebook of Sherlock Holmes - Series 1 Source: BBC Online