http://www.ala.org/ala/oif/bannedboo...frequently.htm
I'm surprised at some of the books on there, and surprised that some are so high.
Ones I've read:
the Scary Story series
Of Mice and Men
My Brother Sam is Dead
some of the Goosebumps books
Sex
To Kill a Mockingbird
The Outsiders
Flowers for Algernon
The Stupids
The Witches
Lord of the Flies