Special issue of the German periodical Interfunktionen on artists' books. With contributions by Daniel Buren, Marcel Broodthaers, Bruce Nauman, Dan Graham, Lawrence Weiner, Jörg Immendorff, A.R. Penck, Roman Jakobson, Michel Claura, Germano Celant, Italo Scanga, and Bill Beckley. Layout by Simone Bingemer. Edited and published by Benjamin H.D. Buchloh. Printed in black-and-white. Text in German and English.