CLEMENS, Samuel L. ("Mark Twain," 1835-1910) Autobiography. New York: Harper & Bros., 1924. 2 volumes, 8vo. Facsimile inscription vol.I, frontispieces. Publisher's blue gold-stamped cloth (very slight wear to spine ends and corners, otherwise fine). First edition of Twain's posthumously published autobiography, edited by A.B. Paine. Twain's hand-written sentiment reads: "I am writing from the grave. On these terms only can a man be approximately frank. He cannot be straitly & unqualifiedly frank either in the grave or out of it."