transworld publishers corgi books imprint p/b first printing, not first uk p/b edition (which was a pedigree book)
cover art unsigned, uncredited (still as-yet unattributed: it could well be by josh kirby, as it's within one of his styles of the period, and he did a fair few covers for corgi books in the early-to-mid sixties, but this is not a firm attribution)
cover price 2/6
128pp. including titles, indicia etc, end pp. advertising