Documentation of conceptual or internationally-located projects curated by Seth Siegelaub with works by Carl Andre, Robert Barry, Daniel Buren, Jan Dibbets, Douglas Huebler, Joseph Kosuth, Sol LeWitt, Richard Long, N.E. Thing Co. Ltd., Robert Smithson and Lawrence Weiner. Descriptions of the works in pictures and tri-lingual texts. Also contains "Specific information (locations, dates etc.)" in back of book that documents exacting details of projects and installations.