[AMUNDSEN AND ELLSWORH ??POLAR FLIGHT]. A group of 7 works, comprising: AMUNDSEN, Roald and Lincoln ELLSWORTH. Our Polar Flight. New York: Dodd, Mead & Company, 1925. Numerous illustrations from photographs. Original pictorial blue cloth gilt. FIRST AMERICAN EDITION. ?? AMUNDSEN, Roald and Lincoln ELLSWORTH. First Crossing of the Polar Sea. New York: George H. Doran, 1927. Illustrations from photographs, folding map. Original blue cloth lettered in blind. FIRST AMERICAN EDITION. ?? ELLSWORTH, Lincoln. Search. New York: Brewer, Warren & Putnam, 1932. Illustrations from photographs, folding map. Original black cloth gilt; original unclipped dust jacket. FIRST EDITION. ?? ELLSWORTH, Lincoln. Beyond Horizons. London: William Heinemann, [1938]. Original pink cloth; original price clipped dust jacket. FIRST ENGLISH EDITION. ???ELLSWORTH, Lincoln. Beyond Horizons. New York: The Book League of America, 1938. Original blue cloth; original price clipped dust jacket. FIRST AMERICAN EDITION. ?? and 2 pamphlets. ?? All 8vo, condition generally very good.