Cracked.com matches top 5 books with their psychotic fan bases (and then tells us why these warped fans have completely misunderstood the books...)
Lolita -fans are Japanese pedophiles
The Collector - serial killers
Horton Hears a Who - rabid pro-lifers
Catcher in the Rye - celebrity killers and various murderers
Lord of the Rings - neo-Nazis
again, this is courtesy of cracked.com, and not science.