first sphere books printing, first uk p/b edition, includes introduction by kingsley amis from 1960 ballantine mmpb
cover art unsigned, artist uncredited (acorn agency credited)
cover price 5/-, east africa 6/00, south africa 60c, australia 80c, new zealand 75c
128pp. including titles, indica, introduction etc, end pp.
cover art, which iirc is only noted as from acorn, is a photographic composition of a male torso and, shoulder clawed by the steel-tipped claws of a tiger.