Susanna, Lady Appleton is an expert on poisonous herbs, but she never expects to diagnose her own husband’s death as murder. Sir Robert, long believed lost at sea, turns up freshly dead in Westminster and Susanna is accused of the crime. To prove her innocence she must discover the real killer’s identify. Elizabethan mystery by Kathy Lynn Emerson; originally published by St. Martins and Kensington