The Reverend Ralph Harper, a philosopher and theologian, has been credited with introducing existentialism to North America in 1948 with his work Existentialism

First published in 1911, Mysticism remains the classic in its field and was lauded by The Princeton Theological Review as "brilliantly written [and] illuminated

In Mystics, William Harmless, S.J., introduces readers to the scholarly study of mysticism. He explores both mystics' extraordinary lives and their no-less-extr