New York: Philosophical Library, .
First Edition. Without the Frontispiece portrait from a photo by Lotte Jacobi. 282 pp. 1 vols. 8vo. Dark blue publisher's cloth. Fine in chipped dj with $4.75 price on flap, book fine, dust jacket in grey and red, Very Good, with portait of Einstein on back cover Boni, Russ, Laurence, p. 59. Item #310919