“Bradbury’s famous novel, a strong argument against censorship, was itself expurgated and sold by its publisher in that diminished form for a full 13 years before the author found out about it. About 15 years after its original publication in 1953, Ballantine Books began marketing a special edition to high schools, with more than 75 passages “cleaned up” for teenage consumption — swear words erased and certain passages rewritten. The censored version ran for 10 printings before Bradbury found out about it in 1979. He demanded that the publisher withdraw all the modified books and continue to sell only the original, and they gracefully (and probably sheepishly) agreed.”