"Every Promise in the Book is Mine" by Robert K. Brown, Jr. of Grace Publications
In the days of Peter, people struggled to understand the writings of Paul (2 Peter 3:15-16), and we are no different today. At that time there were many systems of interpreting the Bible with the Sadducees, the Pharisees, and others, and with many differing groups within the Pharisees. Today many more systems have been added, but which one is right? Or, if not right, best?