AMUNDSEN, Roald. The North West Passage. Being the Record of a Voyage of Exploration in the Ship Gjoa. London: Archibald Constable and Co., 1908. 2 volumes, 8vo. Photogravure frontispieces, 2 folding maps in rear pockets, numerous in-text illustrations. -- AMUNDSEN, Roald. My Life as an Explorer. New York: Doubleday, Page, 1927. 8vo. Frontispiece, 3 maps and diagrams. ORIGINAL DUST JACKET. -- HANSSEN, Helmer. Voyages of a Modern Viking. London: George Routledge & Sons, 1936. 8vo. Frontispiece portrait, photographic plates, double-page map. Original printed dust jacket. -- Together, 3 works in 4 volumes, all FIRST EDITIONS, all in original publisher's cloth with dust jackets as indicated, condition generally fine.