This Wikipedia page on Carl Menger’s “Principles of Economics” https://en.wikipedia.org/wiki/Principles_of_Economics_(Menge... says:

> Ludwig von Mises called the book the best introduction to the Austrian School of economics

It would also help to read Marx's Das Kapital at the same time, that way you can plough through two equally discredited economic theories and get them out of the way before you move on to actually reading something worthwhile.