Read a book to a kid. Read to your loved ones. Read out loud to yourself! Listen to a book on CD. Donate a book to a local literacy project.
Read, and think and dream, and support your local libraries and book stores. If you object to an author or a book, fine, don't read them or let your kids read them. But don't try to stop other people from reading them.
Please watch this short video from John Green, one of my favorite authors. It is genius. John Green (author of Waiting for Alaska, Paper Towns, An Abundance of Katherines, and The Fault In Our Stars) reminds us that people who are not children can read critically. I have a hard time writing about book censorship without turning into a giant squid of anger, and think that John covers it much better.
But if you are interested, here is a picture of John Green doing the "giant squid of anger" for me: