There are certain groups of people who seem to love banning books and censoring thoughts and language. Among the most notorious are conservative Christians and Nazis. (Although we could throw in Muslims as well, to be fair). Interestingly, while conservative Christians aggressively try to ban or censor anything they find that is objectionable to the Christian faith, they have no problem at all with defending freedom of speech when it comes to insulting Islam.
Over the years, many classic books as well as many benign children’s books have fallen under strict religious scrutiny and have drawn the ire of religious zealots who feel it is their duty in life to protect the rest of humanity from itself. Take a look at a sample of books that have been banned over the years: