Many regard the United States as a superpower. Yet more than 13 percent of adults in the country cannot read or write above third-grade level. That’s the same as an eight-year-old.Censorship of library books is also on the rise.The American Library Association reported a record number of demands to censor books last year. The more than 1,600 contested titles address mainly race and gender issues.With more calls for censorship, the issue has become increasingly politicised. So will the "land of the free" remain so for readers?Tracie Hall, the executive director of the American Library Association, talks to Al Jazeera.Subscribe to our channel http://bit.ly/AJSubscribeFollow us on Twitter https://twitter.com/AJEnglishFind us on Facebook https://www.facebook.com/aljazeeraCheck our website: https://www.aljazeera.com/Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/Download AJE Mobile App: https://aje.io/AJEMobile@AljazeeraEnglish#Aljazeeraenglish#News