"ALA compiles data on book challenges from reports filed with its Office for Intellectual Freedom by library professionals in the field and from news stories published throughout the United States. Because many book challenges are not reported to the ALA or covered by the press, the 2023 data compiled by ALA represents only a snapshot of book censorship throughout the year. A challenge to a book may be resolved in favor of retaining the book in the collection, or it can result in a book being restricted or withdrawn from the library" (ALA, Censorship by the Numbers).