Jim Linderman’s blog Vintage Sleaze gives a lot of insight into our culture's hypocrisy and fear surrounding sex and the censorship of erotica.
Vintage Sleaze: Sexist Sludge for Mass Consumption REALLY Crappy Paperback Joke Books Vintage Sleaze
While moralist authorities were hounding serious and genuine erotica publishers with obscenity laws, this is the sexist sludge you were served.
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I suppose in the industry they were called "gag" books and you will. Poorly printed, poorly executed and shipped by the crate to bus stations, rest stops and dimestores. The "authors" were cartoonists all working "aboveground" in legitimate popular general circulation magazines. Some gained considerable recognition, though I hesitate to say any gained fame. They are all over 100 pages and each contains almost the same 100 jokes, all rewritten and redrawn by the cartoonists. I guess this is the junk adults were reading when they were trying to stop Bill Gaines from publishing Mad Magazine.