transworld publishers corgi books imprint p/b first printing, first p/b edition
cover bears the digits 2 & 5 large in a subdued green underneath those words in the title, which is unhyphenated - though hyphenated on the title page and upon the spine
cover art unsigned, uncredited (looks like a model on & against a diorama, then painted so)
cover price 3s. 6d, 60c australia, 45c new zealand
128pp. including titles, indicia etc, end pp. advertising (check for any month I'd)