Falconer and the Face of God

"It is Christmas in Oxford, and Stefano de Askeles has brought his troupe of jongleurs to town. Things have not been going well for him -- poor Gyles de Malton was killed on stage in Winchester, and Stefano's pawing of Margaret the tumbler has her husband wild with jealousy. But Oxford is full of students, and the joy of the season may loosen their purse-strings.Master William Falconer, meanwhile, has been scouring the back alleys of the town in search of an alchemist who can help his exiled mentor, Roger Bacon, in his researches. Thus it is that he witnesses the final rehearsal of de Askeles' play - and the death of an unfortunate stand-in. Someone, it seems, wants de Askeles dead."The third novel in the series.