The moral basis of capitalism is the right of each individual to live his own life, for his own sake. The book couldn't be ignored, and it got a lot of ink. It requires close attention as Nozick proceeds, step by step, to demolish the rationale for the welfare state. Intellectual fireworks go off when Richard A. Epstein starts to write. He's the James Parker Hall Distinguished Service Professor of Law at the University of Chicago.
Principles tells why government efforts to remedy alleged market failures make people worse off.
I'd probably go with Simple Rules, which presents a sophisticated case for scrapping most laws and regulations. One of the most original thinkers now is Randy E. Barnett, the Austin B. Fletcher Professor at Boston University's School of Law. In particular, he explains why crime is likely to fall if the criminal justice system is privatized and if criminals must pay restitution to victims. Historians have attributed Western success to all kinds of things including natural resources, technology, imperialism, and slavery. He does it with wit and style.