The ALA has declared this time "Banned Book Week," celebrating the freedom of speech and the written word in the US of A. Also included is a nice list of the top banned books (or series) for the past decade:
1. "Harry Potter" series by J.K. Rowling
2. "Alice" series by Phyllis Reynolds Naylor
3. "The Chocolate War" by Robert Cormier
4. "And Tango Makes Three" by Justin Richardson and Peter Parnell
5. "Of Mice and Men" by John Steinbeck
6. "I Know Why the Caged Bird Sings" by Maya Angelou
7. "Scary Stories" series by Alvin Schwartz
8. "His Dark Materials" series by Philip Pullman
9. "ttyl" series by Lauren Myracle
10. "The Perks of Being a Wallflower" by Stephen Chbosky
Various organizations take part in this as well - there are frequently events at libraries, and discounts on the series. I'd check out the American Library Association's page on it here. Feel free to share your thoughts on these series as well!
(Note, I was debating between putting this here or in the Asylum, as book banning and freedom of speech are very much political issues, but let's keep it clean and nice!).