 Mostly bimonthly, with an occasional lapse of a month, it had a five-month hiatus between issues #5-6 (June & Nov. 1969).From 1972 to 1976, it was published monthly during the summer.The first 16 issues were 68- or 52-page, 25¢ "giants", relative to the typical 12¢ and later 15¢ comics of the times, with #17-on published as standard 36-page comics at the prevailing price of 20¢, rising to 25¢ and finally 30¢ by the time it ended publication.