I’m presently signed up for a class on biblical preaching with the Indianapolis extension of TEDS, and have so far read two of the three books that are required reading.  Allow me to recommend them both highly.  They are great resources and huge motivators to anyone who aspires speak God’s word to others and rightly divide the word of truth.  Both are readily available from online booksellers.

The First is The Supremacy of God in Preaching by John Piper.  The Second is Prepared to Preach: God’s Work and Ours in Proclaiming His Word by Greg Scharf, who may not sell as many books as John Piper, but happens to teach the class: