The Glimpses of the Moon: The Gervase Fen Mysteries

When a decapitated head is seen floating down the river in the Devon village of Aller, the rural calm is shattered. Soon the corpses are multiplying, and the entire community is involved in the hunt for the murderer. Whilst many chase false trails, it is left to Gervase Fen, Oxford don and amateur criminologist, to uncover the sordid truth.