CLEMENS, Samuel Langhorne ("Mark Twain"). The Celebrated Jumping Frog of Calaveras County, and other Sketches. New York: C.H. Webb, 1867. 12o. (Some minor foxing). Modern half-leather and marbled boards. FIRST EDITION, FIRST PRINTING, of author's first book, with inserted advertisement leaf at front and unbroken type on page 66 and 198. BAL 3310.