Swimming Free: on and Below the Surface of Lake, River and Sea

New York: St. Martin's Press, 1972. Octavo in blue boards in a blue and black pictorial dust jacket (black spine); illus. (some color); 154 p., 23 cm. Fine copy in a very good(+),clipped dust jacket. Edge and corner wear to DJ with a 1" tear to upper fore-edge corner of cover; else tight copy; boards are clean and free of defects; pages are like new: crisp, clean, bright and free of marks and creases; binding is tight and square. in very good + dust-jacket. Hardcover.