A book and NTSC / VHS videotape set by Dan Graham documenting his sculptural installation on the roof if the Dia Center for the Art's former building on West 22nd Street. The artists' book contains essay, images, of the lineage and development that lead to the work's installation. Installed September 12, 1991 the sculpture and a video salon remained on view until Dia's closure of the building in Spring 2003. Housed jointly in a clear vinyl slipcase.