These are some of the books that I have read, please feel free to add the books that you should consider to be interesting..

The 7 Habits of Highly Effective People - Stephen R. Covey.

Principle-Centered Leadership -  Stephen R. Covey.

Speed is Life - Bob Davis.

Getting Past No William Ury

Special Contribution of GAURAV:

What got you here won’t get you there -  Marshall Goldsmith

48 Laws of Power - Robert Greene

Gita - Dr. S Dr S Radhakrishnan