A thorough, detailed account of the questions many Christians and non-Christians have asked for hundreds of years: do our good works save us from hell, are we saved by the grace of God, or some combination of those two factors? How has the answer to this question changed from the Old Testament era to the New Testament era? Is there more than one way to be saved from eternity in hell? The sermons and writings of scholars from many denominations have helped the writer identify and sort through many of the conflicting ideas about eternal life. Denominations of Christianity all differ on a wide range of doctrinal issues while basing their beliefs on the same scriptural evidence. This book is a desire to reduce the confusion concerning the gospel that leads to eternal life. Apply the Bible as the filter to sort out truth from error. Ancient Israelite experience versus contemporary Christian experience. Gain a deeper understanding of God's amazing grace as displayed throughout history and point the way to eternal life. The relationship between God the Father, God the Son and the Holy Spirit, the Law of Moses and its roles including a detailed study of the food laws. The Levitical priesthood has been replaced by the priesthood of the Messiah in accordance with the order of Melchisedec. The nature and significance of the new birth requirement. The mysteries of life and death including the present state of the dead and their future fate. The difference between justification and sanctification.