Bonhoeffer, Dietrich, 1906-1945. The cost of discipleship / [electronic resource] / Dietrich Bonhoeffer.. — Rev. [i.e. 2nd] and unabridged ed., containing material not previously translated ; 1st pbk. ed.. — New York : : Collier Books,, 1963, c1959.. — 352 p. ; 18 cm.