According to Marshall.edu, the main reason why the books were banned was
the contents were violent. Wikipedia describes Gammell's nightmarish artwork as another contributing factor to parents' objections to books. Gammell's
![cartão astropay onde aceita cartão astropay onde aceita](https://www.dsvc.com.br/wp-content/uploads/2022/11/arte-jogos-brasil-1-copiar.jpg)
of disturbing, gruesome, and scary characters were not appropriate for children.