Obscene Material Quotes
The increasing popularity if inexpensive paperback books resuting from new technology and publishing styles stimulated this concern. In this case, not only books censored for indecent content, but books were censored if their covers even suggested that the contained indecent content. And of course there was no definition of “indecency”. The result was a massive censorship of books in Ireland.
The definition of child pornography can be so vague that none but a specialized attorney could tell, and even then the courts often disagree.