Softcover. Paris, Galerie Denise Rene, 1st, 1968, Book: Very Good, Dust Jacket: None, 12 pages (includes covers). Exhibition catalog - measures: 5.25"W X 7.5"L. Features 4 black & white plates with 4 loose transparent sheets with printed designs which with movement create Op Art effects. Some minor darkening, spotting along cover edges. Clean, unmarked interior pages.