Below is a list of books that I have read and strongly recommend to anyone with an interest in those area.

Theory of Constraints
- The Goal, by Eliyahu
- It’s not luck, by Eliyahu
- Isn’t that obvious, by Eliyahu

Lean Thinking
- The machine that changed the world, By James P. Womack, Daniel T. Jones, Daniel Roos

Product Management
- Product manager’s handbook, By Linda Gorchel
- Crossing the chasm

Internet or Online Strategy
- Web 2.0: A strategy guide, by Amy Shuen

Business Strategy
- HBR on Strategy
- Thinking Strategically, by Avinash Dixit, Barry Nalebuff
- Co-opeitition, by Adam Brandenburger, Barry Nalebuff
- The art of Strategy, by Avinash Dixit, Barry Nalebuff

Economics
- A Concise history of Economic. Thought from Mercantilism to Monetarism
- Wired for innovation, by Erik Brynjolfsson, Adam Saunders