’Four centuries ago the name of Denis, the Carthusian, was widely known. Now most educated people have never heard of him. Renowned as a mystic and theologian and sometimes called the last scholastic, the Doctor Ecstaticus, he wrote more than 150 works. Sister Íde Ní Riain presents English translations of his most significant spiritual writings: three books on contemplation and selections on Prayer, Meditation, The Fountain of Light and the Paths of Life, Moastic Profession, and Exhortation to Novices’, Theology Digest.