AN ESSAY ON THE PSYCHOLOGY OF INVENTION IN THE MATHEMATICAL FIELD

Princeton: Princeton University Press, 1949. Hardcover. Octavo; Second Printing; VG/G-; Hardcover w/ DJ; Spine, tan with tan print; DJ has small tears to all corners and at spine caps, small tear on spine, fading to spine and outside edges, slight spotting and smudging; Boards in black cloth with gold print, slight wear to spine caps, mild bump to front lower outside corner, slight rubbing on back; Textblock clean and tight but for name in ink on front endpapers; xiii, 145 pages. Rockville. (Inventory #: 7-116-1296053)