Hound of the Baskervilles, Valley of Fear this week on BBC Radio 7.

This week on BBC Radio 7, a sinister hound stalks the moors in The Hound of the Baskervilles (featuring Judi Dench), and Sherlock Holmes suspects Professor Moriarty is involved in a Sussex murder in The Valley of Fear (1914–15). Go here for the schedule or to listen; episodes usually can be heard online for a week after broadcast.