10 books that were surprisingly banned

With recent worrying developments on the internet, such as facebook and twitter deciding what we can and can't read, it's important to remind ourselves of the importance of free speech. I understand the need for age certification, but sadly in many cases the people deciding what we can and can't read are either dangerously deluded, or pushing their own dubious agenda.

Over the years there have been some seemingly innocent books which have surprisingly been banned.  Here are some of the most notable...

This bank note has no value, apparently.

1) The Wonderful Wizard Of Oz by L. Frank Baum

This was banned from libraries in Detroit for allegedly 'supporting negativism' and for 'having no value for children'.

Seriously, there are some crazy people in the world if they think the Wizard of Oz needs to be banned. Not every book has to be about inspiring readers to change the world. Surely some books can just be about having fun!