From the Salt Lake Tribune:
The decision to keep the book "behind the counter" in libraries followed an April 30 meeting during which a seven-member committee determined the book didn’t align with district curriculum standards. The committee, comprised of teachers, administrators and parents, voted 6-1 to keep the book off shelves, with a high school librarian casting the dissenting vote.
"State law says schools can’t have anything in the curriculum that advocates homosexuality," Williams said. "That is why it is now behind the counter."