November 2012 The Leper of St. Giles by Ellis Peters. This is the fifth of the Brother Cadfael mystery series and so far the best one I've read.

In this story, a rich Norman aristocrat is murdered on the eve of his wedding to a woman young enough to be his grand-daughter. Suspicion points to a young suitor to the girl, and Brother Cadfael must get to the bottom of a fairly tangled affair.