Scarce catalogue for the 1969 exhibition curated by Seth Siegelaub, which featured work from 11 different artists or groups in 11 different locations around the world; the works are documented by text and images of location (with the exception of Robert Barry whose page is blank). The artists featured are Carl Andre (The Hague), Robert Barry (Baltimore), Daniel Buren (Paris), Jan Dibbets (Amsterdam), Douglas Huebler (Los Angeles), Joseph Kosuth (New Mexico), Sol LeWitt (Düsseldorf), Richard Long (Bristol, UK), N.E. Thing Co. Ltd. (Vancouver), Robert Smithson (Yucatan) and Lawrence Weiner (Niagara Falls).