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he Hunger Games topped the box office for a third week straight, pulling in US$300 million in revenue and sinking the 3D re-release of James Cameron's Titanic.

But as The Hunger Games racks up ticket sales, parents and educators are beginning to question whether the trilogy featuring 16-year-old heroine Katniss Everdeen belongs on school library shelves.

According to the American Library Association, the series by author Suzanne Collins is the third most "challenged" by parents in the United States. That means parents have formally complained about the content of the series and requested that a library or school remove or restrict access.

The Hunger Games has stirred controversy because of its premise: a dystopian future in which 24 teens are forced into a gladiator-style contest to the death.

This is the second year The Hunger Games has made the list, joining other American classics targeted for ban such as To Kill a Mockingbird and the Gossip Girl series.

Should school libraries ban The Hunger Games trilogy? Leave your thoughts in the comments.