"In 1954, Andy and Julia released a limited-edition artist’s book ungrammatically titled 25 Cats Name Sam and One Blue Pussy (public library), featuring Andy’s signature blotted-line watercolor drawings in vibrant pop-art colors and calligraphy by Julia. Oddly enough, there were only 16rather than 25 cats portrayed and Julia had accidentally missed the letter “d” from “Named,” but Andy decided to keep ..." http://www.brainpickings.org/tag/andy-warhol/