Published with the collaboration of the Archivio Opera Piero Manzoni. All essays are translated into English. The appendices include notice of exhibitions, a bibliography of Manzoni's writings, books on the artist, captions for photographs and documents of the works 1950-1953. N.B. Celant also published an earlier one volume catalogue on Manzoni's work under the same title : "Piero Manzoni : catalogo generale", Prearo, Milan, 1975 (not reviewd by IFAR).