Kepler's Witch here
James A. Conner, Bvtn 520.92 CON 2014
Read 50 pages, quit. Kepler was an intellectual giant, but a product of his superstitious time. The "Witch" was his mother, an illiterate healer, tortured for witchcraft. Connor is a former Jesuit priest, now an English professor at Kean University in New Jersey.
The book is about Kepler's motivations and thought processes, and the complex times he lived in. This isn't a bad book, but others are more important to my goals.