"The Twelve Apostles: Apostolic Summa" is a scholarly theological trilogy that explores in depth the lives, historical contexts, and theological contributions of the Twelve Apostles of Jesus. Written by scholar Jesús Fernández-Pedrera, each volume combines biblical research, early church history, and rigorous exegesis. The text, scholarly yet clear, presents a systematic synthesis ("Summa") of the apostolic tradition, outlining the social and spiritual formation of the disciples, their role in the spread of Christianity, and their doctrinal legacy. Intended for theologians, church historians, and advanced students, it offers primary sources and comparative analysis in a professional and structured style. Taken together, this series (published in Spanish and English) brings a fresh perspective to the theological study of early Christianity and the foundation of the Church, with a comprehensive critical and scholarly apparatus.