<page_title> List of most commonly challenged books in the United States </page_title> <section_title> List </section_title> <table> <cell> Guess What? <col_header> Title </col_header> </cell> <cell> 66 <col_header> 1990–1999 ALA rank </col_header> </cell> </table>
Guess What? is on the American Library Association list of the 100 Most Frequently Challenged Books of 1990 at number 66.