What Old Books Are Worth Reading?

Although my love of books mainly spans science fiction and fantasy which were written from the time of Jules Verne (around 1860) on, that doesn't mean I don't have a great appreciation for everything that came before.  In fact, many books today were inspired by legends and fables and even old historic tomes.

Brian Feinblum of Book Marketing Buzz blog has written a fine article presenting the question, "Which Old Books Are Worth Reading?"  I think this article is very much worth reading. It certainly makes you think.