State of Mind, the lavishly illustrated companion book to the exhibition of the same name, investigates California s vital contributions to Conceptual artin particular, work that emerged in the late 1960s among scattered groups of young artists. The essays reveal connections between the northern and southern California Conceptual art scenes and argue that Conceptualism s experimental practices and an array of then-new mediaperformance, site-specific installations, film and video, mail art, and artists publicationscontinue to exert an enormous influence on the artists working today....