DUPLICATE KEYS, by JANE SMILEY. UNCORRECTED PROOF COPY. SIGNED by JANE SMILEY on the title page. Published by Alfred A. Knopf, New York, 1984. First Edition. Proof Copy in Blue Wrappers (softcover), 5.5x8.5", 304 pages. NEAR FINE condition, a small indent at the top of the spine, overall a seemingly unread copy that it tight, bright, clean and unmarked. Jane Smiley is one of America's Greatest Living Authors.