First American edition of this semi-autobiographical trilogy of plays about spiritual pilgrimage, frequently acknowledged as Strindberg's masterpiece. NY: Grove Press, 1960. First edition. Translated (or as the title-page would have it, "English-language version") by Graham Rawson. With an introduction by Gunnar Ollén translated by Esther Johanson. Octavo, 5.75 x 8.25 in. 285pp. Gray cloth boards, gold spine lettering; in dust jacket. A touch of dust soiling to textblock top, else about fine in a very good, price-clipped jacket with a few small nicks to spine ends and tips. Dust jacket design by the legendary Roy Kuhlman.