By Professor JESÚS HUERTA DE SOTO.
It is my favorite and, in my opinion, the most complete treatise on the legal and economic consequences of our current system while explaining the Austrian alternative. It is thorough (900+ pages) and is well worth the read.
Here's the free PDF version at Mises:
"If ye love wealth better than liberty, the tranquility of servitude than the animated contest of freedom — go home from us in peace. We ask not your counsels or arms. Crouch down and lick the hands which feed you. May your chains sit lightly upon you, an