Verlag: Nelson Doubleday, Inc, Garden City, NY, 1971
Anbieter: Ground Zero Books, Ltd., Silver Spring, MD, USA
Zustand: fair. 64, wraps, illus., maps, color gummed stamps (some applied to text), covers scuffed and some edge wear, entire book creased. Center section with gummed stamps and Science Bulletin has come loose from its staples, pencil name inside front cover.