New York: Seth Siegelaub, 1969
21 x 18cm, 24pp plus thick board covers. Plastic spiral binding. First edition of this famous conceptual artist book with each of Robert Barry, Douglas Huebler, Joseph Kosuth, Lawrence Weiner having a double page to display the work. The famous exhibition by Seth Siegelaub. Some slight soiling to thick white boards (as ever) and all but one of the white plastic comb binding are present (one is snapped off – see photographs) Scarce item.