Written in the early fourteenth century by the Dominican mystic Henry Suso, The Book of Truth is a jewel of medieval Christian spirituality. In a tender and searching dialogue between the Servant and divine Truth, Suso guides the reader through the perils of false illumination, the mystery of union with God, and the transforming power of suffering and surrender. This modern-English edition renders his timeless teaching in clear, inviting prose while preserving the depth and warmth of the original. Whether you are new to the mystical tradition or returning to it, these pages offer a companion for the inner journey—a call to let go of self-will and rest in the eternal truth that is God. Part of The Sacred Wisdom Library.