Amsterdam, Meulenhoff, 1959. 5e druk, 56 pp. Ingenaaid / gekartonneerd. Für Holländischer Schüler bearbeitet en erläutert von Drs. S.P. Wolfs, O.P. Mit zeichnungen von Walter Trier. goed.
Abacus Books (Sphere), 1985. 242 pp. Paperback. Edited by Harold Harris. Third, unfinished volume of Koestler's autobiography, witten jointly with his wife Cynthia. Manuscript found among Koestler's papers after the (double) suicide of Arthur and Cynthia Koestler in 1983.