Intro -- Contents -- Acknowledgments -- Abbreviations -- Introduction -- 1. The Intellectual and Cultural Formation of a Cardinal -- 2. Gonzaga, Reform, and the Office of Bishop -- 3. Reform in the Diocese of Mantua -- 4. Gonzaga and the Spirituali -- 5. The Regency in Mantua -- 6. Gonzaga and the Council of Trent -- Conclusion -- Appendix -- Bibliography -- Index.