(New York): Herder and Herder, (1972).
Hardcover. First English edition. Introduction by Thomas Merton. Translated by Kurt Reinhardt. Octavo. 152pp. Page and board edges and front fly foxed, very good or better in price clipped, lightly worn and foxed, very good or better dust jacket with a tiny dampstain at the spine base. Inscribed by the translator on the title page.