What do “The Call of the Wild,” “Black Beauty,” and “Gone with the Wind” have in common? Sadly, someone thought they were controversial and should be banned.

In celebration of Banned Book Week (September 22-28), check out some of the books that shaped America at the Library of Congress site. Now see how many of them have been banned at one point or another. Penguin has also put up a list of classics that have been banned and why.

It would be a sad state if we didn’t have the choice to read something simply because someone else disagreed with the subject matter, but I would be willing to bet most of you are the type to stand up and make your own choices and have your own opinions. Here are 100 of the most challenged or banned books of the last decade (2000-2009). See how many you have already read!