Gäbler, Ulrich. Huldrych Zwingli: His Life and Work; Translation by Ruth C. L. Gritsch. Philadelphia: Fortress Press, 1986. ISBN: 9780800607616. 
Former library book, binding fine, text is clean, includes dust jacket. Standard library markups. Very good in good dust-jacket. Hardcover.
"Ulrich Gäbler's substantive biographical introduction to the life and work of Huldrych Zwingli includes a comprehensive account of the social, political, and religious backgrounds of the Zwingli-initiated Swiss Reformation." - publisher.