"In 1968, in conjunction with an exhibition of Group ZERO in New York City, artist and ZERO co-founder Heinz Mack published MACK SZENE, MACK SEEN, MACK-A-ZINE, MACKAZIN: Die Jahre 1956-67; a document that was part catalogue, part "zine", crafted by Mack to communicate the sprit of Group ZERO and his intentions as an artist for the future."--Introduction.