Booking Through Movie Potentiality

What book do you think should be made into a movie? And do you have any suggestions for the producers?

Or, What book do you think should NEVER be made into a movie?

The one book that ought to be made into a movie is Ulysses by James Joyce. May be that is only way I can get through it. The producers can go any way they want to!

To answer the alternate question, I don't like movie version of books. So my answer is, let them be..