Being and Circumstance: Notes Toward a Conditional Art.
By Robert Irwin, Lawrence Weschler, San Francisco, New York, 1985.

Hardcover with dust jacket, 158 pp., 63 illustrations, including 25 in color. Fair condition: some wear and tear on cover. 

This book, written by Robert Irwin, lays out his theoretical position and documents the working processes behind seventeen major site-specific sculpture projects created from 1978 to 1984.

It includes an epilogue, selected biography and bibliography. Profusely illustrated throughout, and plans of various architectural and sculptural projects.