Saint Irenaeus was the first great Christian theologian. Born in Asia Minor in about 130 AD, he became bishop of Lyons and died as a martyr early in the third century. His main work, Adversus Haereses (Against the Heresies), is as relevant today as it was 1,800 years ago. It is a critique of Gnosticism, the “anti-body” heresy, which continues to flourish as the main threat to the Christian faith in our own day. With serenity and good humor, Irenaeus unfolds the unity of God’s purpose in creation...

Study the essential wisdom of one of the greatest theologians of the last century—Hans Urs von Balthasar. Writing over 100 books and articles, he was devoted to addressing spiritual and practical issues of his time and resisted reductionism and the human focus of modernity, wanting Christians to challenge modern and philosophical assumptions. In this collection, you’ll find 27 volumes that sample the breadth of von Balthasar’s remarkable ability to address diverse and relevant topics. Examine his treatises on fellow theologians such as Henri de Lubac and Karl Barth. Walk with him through the mysteries of the Rosary and meditate on the Apostle’s Creed. Delve into his treasure trove of meditations and reflections on Mass readings, prayer, the writings of the great saints, and more. Hans Urs von Balthasar is lauded equally by Catholics and Protestants for his theological works and his response to Western modernism. Read his extensive writi...

Our largest package, the 2025 Ultimate Library, provides an incredible library for biblical research and theological reflection. Whether focused on Church history or biblical exegesis, the vast collection of resources and titles at your fingertips cover the gamut—from most devotionals to practical discussions of pastoral ministry to the most rigorous scholarly and academic research. This package has everything you need to engage in the serious study of Scripture and its world, with respected resources like the Library of Hebrew Bible/Old Testament Studies | LHBOTS (382 vols.) and top-tier exegetical commentaries like the New International Commentary on the Old and New Testament | NIC (51 vols.).

Study the essential wisdom of one of the greatest theologians of the last century—Hans Urs von Balthasar. Writing over 100 books and articles, he was devoted to addressing spiritual and practical issues of his time and resisted reductionism and the human focus of modernity, wanting Christians to challenge modern and philosophical assumptions.