ace books mmpb undated first printing°, first merkin p/b edition
cover art by jack gaughan (unsigned, credited)
2pp. b+w map by charles green (signed, uncredited)
four interior b+w illustrations by james cawthorn (unsigned, credited as j. cawthorn)
cover price 50¢
192pp. including titles, indicia, b+w map, illustrations etc, end pp.
year of publication taken from donald h. tuck, fits sequence of ace books cat#s