This Book is a story of God's Message of Salvation and His power to keep those who belong to Him through an Everlasting Covenant. This is a detailed bible study of the Gospel of Jesus and the Sure Mercies of David. This Book shows what the Gospel Message is and what it is not. It also shows the biblical truth of the Eternal Security of the Believer. God's Grace & Mercy are displayed from Genesis through Revelation in this two-part book. The first half of the Book focuses on the Gospel while the primary focus of the second half of the Book is the Everlasting Covenant and Eternal Security. After reading this book, the reader should have no doubt as to how someone is Saved through the Gospel Message. This book should also settle all debates on whether Salvation can be lost.