May 6, 2012 (CHICAGO) --Movie critic Roger Ebert went to a North Side Barnes and Noble to sign the second volume of a book about awful films.
It is called "A Horrible Experience of Unbearable Length."
Ebert lists 200 movies he has seen since 2006 that you should avoid at all costs.
They include "The Human Centipede" and "The Human Centipede Two."
Ebert has written a total of 16 books.