Most influencing books

Here is a list of books which are influenced me a lot:

1. "The Seven Habits of Highly Effective People" by Stephen R. Covey.
   
2. "How to get control of your time and your life" by Alan Lakein
   
3. "Eat That Frog!" by Brian Tracy
   
4. "Getting Things Done" by David Allen
   
5. "The Alchemist" by Paulo Coelho (sure, I know that this is a fiction novel, but I like it anyway)