Armor of God is a series of LDS books that focus on key areas of the Gospel. They are designed to help Latter-day saints to keep on track in living a righteous life. The books will help a person to be able to put on the armor of God and be able to be more prepared for the temptations and challenges in life. This book in the series focuses on missionary work. It gives basic advice about how to start doing missionary work and has a series of journal entries to keep track of your progress.