Gilson, Etienne. Painting and Reality: The A. W. Mellon Lectures in the Fine Arts 1955, National Gallery of Art, Washington. (Bollingen Series XXXV 4). Pantheon Books, 1957. First Edition.
Fine blue & black cloth, 8 x 10 inches, xxiv., 367 clean pp. Good dust jacket, some small chips/wear to the edges, some darkening to the white sections. Fine in good dust-jacket. Hardcover. 
Etienne Gilson (1884-1978), French Catholic philosopher and historian of medieval thought, "one of the most eminent international scholars of the 20th century." - Encyclopedia Britannnica.
The book is about the kind of reality proper to paintings and their relation to the natural order.