For anyone interested in Anabaptist history and one of its leading lights, this is a must read book. Replete with accurate historical accounts and letters that previously have not been exposed to the public this is a book you need to get if your interests lay within the Reformation era and gives you a glance at how the Anabaptists were treated by some Lutherans, Roman Catholics and Reformers.
Conrad Grebel - The Founder of the Swiss Brethren, Harold S. Bender.
http://www.amazon.com/Conrad-Grebel-Founder-Swiss-Brethren/dp/1579101577/ref=sr_1_4?s=books&ie=UTF8&qid=1394030220&sr=1-4