Great audiobook "Principles of Political Economy" online free

The Principles of Political Economy, first published in 1848, was one of the most important texts on the subject of economy at that time. It is broken up into five books; Production, Distribution, Exchange, Influence of the Progress of Society on Production and Influence of Government. This version is an abridged text book edited by J. Laurence Laughlin, and was used at the college level.(Summary by Ann Boulais)