40 Years of Playboy

40 Years of Playboy is a book celebrating Playboy magazine found at Springfield Elementary School. It was banned by many schools, but Springfield Elementary kept it, along with Tek War, Theory of Evolution, Sexus, Steal This Book, Hop On Pop, and The Satanic Verses.

History
When Edna showed Principal Skinner the books they had that were banned by other schools Skinner said to her that the kids have to learn about Tek War sooner or later.