The book of Romans is a Pauline Epistle (letter from Paul). The Apostle Paul wrote it roughly about 56-57 A. D. The key personalities in the book of Romans are the Apostle Paul, and Phoebe who delivered this letter. Paul wrote the letter to the believers in Rome, hence the name "Romans". He wrote it to give them a concrete theological foundation on which to construct their faith and to live for and serve God effectively.