100 must read books. What would you add??

Of course, the problem is not to know which books you must read, there are aplenty o' those, but how to stop reading books that are not must reads.

List of titles and authors: <a href="http://www.docstoc.com/docs/8641676/100-Must-Read-Books-The-Mans-Essential-Library" rel="nofollow">http://www.docstoc.com/docs/8641676/100-Must-Read-Books-The-...</a>