[quote]Tijuana bibles (also known as eight-pagers, Tillie-and-Mac books, Jiggs-and-Maggie books, jo-jo books, bluesies, gray-backs, and two-by-fours) were palm-sized pornographic comic books produced in the United States from the 1920s to the early 1960s. Their popularity peaked during the Great Depression era. Most Tijuana bibles were obscene parodies of popular newspaper comic strips of the day, such as "Blondie", "Barney Google", "Moon Mullins", "Popeye", "Tillie the Toiler", "Dick Tracy", "Little Orphan Annie", and "Bringing Up Father". Others made use of characters based on popular movie stars and sports stars of the day, such as Mae West and Joe Louis, sometimes with names thinly changed. Before the war, almost all the stories were humorous and frequently were cartoon versions of well-known dirty jokes that had been making the rounds for decades.[/quote] So yeah...I don't know how I managed to stumble upon it. But apparently, we had already adopted a practice of creating pornographic parodies of certain things like comics long before the age of the Internet and its "Rules". The more you know...