Beetle Bailey (Giant Size) #56050 / 56051-5

Lists two Mass Market paperback series numbers on the cover, 56050 portion of the ISBN for the U.S. number and 56051-5 for the Canadian number.

The spine lists abbreviated ISBNs for the U.S.: 812-56050-7 and Canada: 812-56051-5.

No printing listed, but is a later printing. Only the 1981 copyright date is listed, the publication date is a guess based on Mass Market paperback series number and addition of a Canadian price. Copyright 1981 by King Features Syndicate, Inc. Humor genre listed on the spine.