David Matthis, John Piper's assistant, comments on who should and who should not read Piper's latest book, The Future of Justification, in The Future of Justification for the Rest of Us. He also provides a tip, especially for those who have not yet purchased the book. It is available on line. You can read the whole book by clicking here. If you have not purchased the book, you may want to peruse it on line to decide whether you want to spend the money.