Which Book Is Your Favorite?

Hey
I have over 300 books in my library and I was have a debate with a buddy of mine of which book is better so naturally I ask you guys
It's between only 5.
48 Laws of Power
The Prince
How to Win Friends and Influence People
The Richest Man in Babylon
Think and Grow Rich

Very interested in the results,
Philosophy Fool

See original post by philosophy.Fool