Robert Hagstrom does an amazing job of creating a truly broad and abstract approach to investing that applies to everything from early stage startup investing to public equities to debt. The author draws on Charlie Munger's concept of a "lattice work of mental models," and goes through various subject areas, highlighting the core concepts that can drive investment models.
Carol Dweck explains the difference between the Fixed and Growth mindsets. Having grown up through prep school, college and institutional finance, I had not realize the extent to which I had been programmed with a fixed mindset. In reading this book, I saw many great examples of how to change the goals to improve my approach and ultimately the outcomes in many areas.
Malcolm Gladwell walks through the why behind many great successes. As a venture investor, training my mind to see these things before they happen is a critical skill.
I read this book over 10 years ago and Dan Ariely opened up my mind to possible greatness of the workings of the human mind that stray far from the economically rational.