The Summa Illuminated offers a clear and concise introduction to one of the most influential theological masterpieces in history: the Summa Theologica by St. Thomas Aquinas (c. 12251274). As interest in Aquinass teachings continues to grow, many are especially drawn to his Summa Theologicayet navigating its profound depth and intricate complexity can feel overwhelming without proper guidance.

In The Summa Illuminated, Fr. Cajetan Cuddy, OP, premier expert on both the Summa and the philosophy and theology of St. Thomas Aquinas, provides readers with a concise and approachable overview. This book serves as a guided tour of the Summa, carefully laying out its structure, explaining its key concepts, and clarifying Aquinass overarching purpose. Following the structure of the Summa itself, this book captures the significance of each part and illustrates how they form a unified whole while explaining the terminology and principles that Aquinas presupposed his audience to possess.

Fr. Cuddy guides the reader through the significant themes of the Summas three parts:

• Part I: God and Creation
• Part II: The Human Persons Movement to GodLaw, Grace, and Virtues
• Part III: Jesus Christ and the Sacraments

The Summa Illuminated equips readers with the essential knowledge to confidently engage with Aquinass great work. By the end, readers will have a firm grasp of the most important ideas in the greatest theological text of the Catholic intellectual tradition.

Cajetan Cuddy