I am reading this book The Oxford Handbook of Post-Keynesian Economics, Volume 1: Theory and Origins and it has some nice chapters!
In his chapter Postkeynesian Precepts For Nonlinear, Endogenous, Nonstochastic, Business Cycle Theories, K. Vela Velupillai has some nice words on Wynne Godley and his book Monetary Economics co-authored with Marc Lavoie: