Cohen. A definitive pictorial history of the three great Clipper flying boats used by Pan American Airways to open the Pacific and Orient to air travel in the 1930s. Covers the Sikorsky S-42, Martin M-130, and Boeing B-314 with many never-before-seen photos, 3-views of each, plus close-up details of engines, interiors, beaching methods, repairs, island bases, and factory construction. Rich in nostalgia. 224 pages, 300 photographs, 8½"x 11", softcover.