2 DVD sets from talented Pastor John Piper. He's written over 30 books and has a secular 4 year degree in addition to his Divinity School credentials. The Blazing Center (3 dvds) are mint in a case with some exterior scratches. His audience is teenagers - there are 8 - 30 minute messages along with bonus materials. The Brothers presentations (2 dvds) are mint in a case with light scratches and are given to an adult church audience.  Piper is an expert on the Bible and pieces together his analysis and interpretation in layman's terms. Dvds are form 2006/7.