The Devil's Footsteps — Olive Etchells

Championship surfer Dave Treganza returns to his native Cornwall for a visit, only to find his sister-in-law and aunt in turmoil because Jonathan, his brother, has disappeared without trace. Before long Jonathan's body is discovered down a derelict tin mine. Another murder soon follows, and DCI Channon and his assistant, Sergeant Bowles -- two men with clashing personalities -- must work together to unmask a ruthless killer.