sf and Fantasy books I’d like to see turned in movies (before I die)

I was thinking to a series of fantasy novels that never made into a movie and i thought of this post. What are the epic novels in sf and fantasy that never made into a movie?
Please send your via comments and at the end I will make a complete list.
I will start with the Chronicles of Amber saga by Roger Zelazny. That is a number of movies (at least one?) that I would like to see before I die…