In his 21st mystery, Batholomew must work fast to decipher the poison used to kill a man—as well as the killer himself—in a 14th-century college town on the brink of violence

In 1358, over a century after its foundation in Cambridge, the college of Michaelhouse is facing a serious shortfall of funds and competition from upstarts rivals such as Zachary Hostel. Their problems are made no easier by the hostility of the town's inhabitants, who favor the university moving away to the Fens. This simmering tension threatens to break into violence when a well-known tradesman is found dead in one of the colleges. Matthew Bartholomew knows he was poisoned, but cannot identify the actual substance, never mind the killer. He also worries that other illnesses and deaths may have been caused by the effluent from his sister's dye works. Torn between loyalties to his kin and to his college, he fears the truth may destroy both his personal and professional life, but he knows he must use his skills as a physician to discover the truth before many more lose their lives entirely.

About the Author

Susanna Gregory is a Cambridge academic and the author of the Matthew Bartholomew Chronicles and the Thomas Chaloner series.

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