For those in the early stages of being introduced to Modern Monetary Theory, you can't do much better than this book. It is not bogged down with jargon yet it is serious, insightful and shatters a number of myths both about the origins of fiat money and how it changes the debate in areas like the deficit, trade and unemployment. The job guarantee component of MMT (or at least some schools of MMT) is introduced and discussed. Also recommended for those looking for exposure to MMT is the short but brilliantThe 7 Deadly Innocent Frauds of Economic PolicyandFree Money: Plan for Prosperity