Through a selection of more than 125 sculptures, costumes, performable paper works, films, ink paintings, correspondence, ephemera, live performance, and documentation, this catalogue represents the full scope of the Byars' work. It focuses on revealing the ephemeral and intangible nature of much of his art.Published on the occasion of the exhibition James Lee Byars: ½ an Autobiography, at Fundación Jumex Arte Contemporáneo, Mexico City, 19 November 2013 - 13 April 2014; and at MoMA PS1, New York, 15 June - 7 September 2014.English and Spanish text.