The difficult saint

"The 12th century French sleuth, Catherine LeVendeur, travels to Germany to save her sister who is facing a charge of murder. After marrying a lord who was a winegrower, the sister is said to have killed him by poison, or worse, by witchcraft."
"The 12th century French sleuth, Catherine LeVendeur, travels to Germany to save her sister who is facing a charge of murder. After marrying a lord who was a winegrower, the sister is said to have killed him by poison, or worse, by witchcraft."@en
"In this novel of twelfth century Europe, Catherine Le Vendeur, her husband Edgar, and the rest of her family travel to distant Germany to save her younger, estranged sister, Agnes. Agnes is accused of the murder of her new husband. Catherine struggles to hold her family together in a time and place of racial anger and misunderstanding."@en
"The 12th century French sleuth, Catherine LeVendeur, travels to Germany to save her sister who is facing a charge of murder."@en
"In this mystery set in twelfth-century Europe, Catherine LeVendeur puts aside family differences to go undercover in the dangerous anti-Semitic climate of Germany to save the life of her sister, Agnes, who is accused of murdering her German husband."@en