Exhibition catalogue / artist's book published in conjunction with show held at IVAM / Collecció Centre del Carme, 1989. Includes interview between Prince and J.G. Ballard which according to the catalogue was originally published under the title "Extra-ordinary," in "Punch" magazine, September 1967, by Ballard. This version, published in "ZG," was transcribed by Prince from Ballard's notes taken in an August 1967 conversation between Ballard and Prince. Also includes introduction by Corinne Diserens and Vicente Todolí, chronology, "Excerpts from Artist's Writings" and list of works.