Hayek was not only a leading champion of liberty in the 20th century. As this massive book reveals, he was also a great economist whose elaboration on monetary theory and the business cycle made him the leading foe of Keynesian theory and policy in the English-speaking world. Here are collected his most important works on these topics: re-typeset, indexed for the first time, and beautifully bound in a 536- page hardbound book for the ages.