Exhibition catalogue published in conjunction with show held May 29 - June 27, 1981. The publication documents the piece "Der Pralinenmeister" by Haacke which features seven diptychs, reproducing each of the 14 panels of the work. The pannels deconstruct the business activities of Peter Ludwig and his Leonard Monheim AG. chocolate conglomerate as it intersects with his art collecting activities. Principally it takes Ludwig to task for his treatment of workers in his chocolate factories, tax avoidance though art donations, and the manipulations of his art foundation by Ludwig himself and his wife. A vicious and provocative book. Text in German.