If you are interested in learning more about the conversations about preaching taking place in homiletical circles, then John McClure’s book Preaching Words: 144 Key Terms in Homiletics (Westminster John Knox) will be of interest. When you hear terms such as deconstruction, narrative preaching or new homiletic, McClure offers a handy guide to what is being discussed, along with some useful footnotes which will lead you to more information.
