The Volume of the Book: Christ in the Old Testament was written to show how prophecy predicted the Son of God's mission, how many events foreshadowed His sacrifice, and how He took the form of the Angel of the Lord to physically shape events.The Volume of the Book: Christ in the New Testament was written to show how prophecy was fulfilled through the Son of God's love, compassion, and tenacity in facing the trials and threats of opposing individuals. It reveals how He engaged the people who eventually believed in His divinity. It also details interactions with those who assisted Him in spreading the message that His death was intended to break them free from law and sin. Through this, they could be filled with God's Spirit, shaping their lives to become one with God.