Contains economic principals and theories that are probably sound. Not really an inspirational book but an interesting one that uses the word monopsony (a market situation in which there is only one buyer).

book review
The Power of Nice: How to Conquer the Business World With Kindness by Linda Kaplan Thaler & Robin Koval
Success comes not only from hard work and talent, but also from being nice to others – everyone you meet is important, and it is