1926, first edition, fourth printing. Hardcover in good condition, small tears to head and tail of spine. Previous owner's name on ffep. The Arcturus Adventure is William Beebe's story of the New York Zoological Society's expedition, under his leadership, to the Sargasso Sea and the Galapagos region in the Pacific. Color frontis. Color pictorial boards. Eight color plates, sixty-nine black and white illustrations.