New York: Links, 1973. Stated First Printing. Octavoin gray cloth, gilt titles; dust jacket; 125 pages; 22 cm Near Fine(-) in Good dust jacket; pages clean and crisp, binding tight; jacket shows mild toning, rubbing to edges. Hardcover. ISBN: 9780825630118, 9780825630040
Uncommon. Contents: Introduction to the idea of the discussion. Descriptions of the problems in science and literature. Description of the development of theory toward unification.
