Inside the ALA’s list of the 150 most banned books of the last 35 years.

In honor of Banned Books Week, the American Library Association (ALA) has published a list of the 150 most challenged books documented between 1990 and 2025. The ALA’s Office for Intellectual Freedom tracked 4,235 challenged titles last year, the second-highest total on record. In this season of feverish censorship, this shouldn’t come as a surprise. But what is remarkable is the below list’s content and scope. Here’s a breakdown of the ALA’s data, including key takeaways about the most banned