Ringwood, Penguin, 1966 [the first edition, suppressed before publication].
Octavo, [viii], 313 pages with 137 illustrations plus 8 colour plates.
Colour pictorial card covers; a fine copy.
This title, and the author, went on to better and greater things. When Robert Hughes died in August 2012, aged 74, 'The Guardian' in its obituary described him as 'simply the greatest art critic of our time'.