ecco un paio di esempi:
THE CATCHER IN THE RYE
by JD Salinger
Considered "dangerous" because of vulgarity, occultism, violence and sexual content.
Banned in Freeport High School, DeFuniak Springs, Florida, 1985.
Removed from
Issaquah, Washington, optional high school reading list, 1978;
required reading list, Middleville, Michingan, 1979.;
Jackson-Milton school libraries, North Jackson, Ohio, 1980;
Anniston, Alabama, high school libraries, 1982.
Challenged by Libby (Montana) High School, 1983.
per chi vuol saperne di più...
http://home.nvg.org/~aga/bulletin43.html
cosa vuol dire challenged?