No UPC box on the back cover. No ISBN or series number on cover or spine. Lists first printing date and ISBN information on copyright page, but this is definitely a later printing. The cover price is different from the Seventh Printing - Special Book Club Printing.
Date a guess based on the cover price and series number.
Copyright 1975-1976, 1979 by The Register & Tribune Syndicate, Inc. Distributed in the U.S. by Ballantine Books, a division of Random House. This is a Ballantine Books printing based on the distribution information, but all of the previous CBS Publications copyright page information was not changed.
This issue is a variant of
Dolly Hit Me Back! [Family Circus] (Gold Medal Books, 1979 series) #12472-X [$1.75].
There exist further variants: