"The story begins in 1618, in the German duchy of Württemberg. Plague is spreading. The Thirty Years' War has begun, and fear and suspicion are in the air throughout the Holy Roman Empire. In the small town of Leonberg, Katharina Kepler is accused of being a witch. Katharina is an illiterate widow, known by her neighbors for her herbal remedies and the success of her children, including her eldest, Johannes, who is the Imperial Mathematician and renowned author of the laws of planetary motion. It's enough to make anyone jealous, and Katharina has done herself no favors by being out and about and in everyone's business"-- Dust jacket.