A study on sonship based on the parable of the prodigal son from Luke 15:11-32. Through the victory of the cross, Jesus opened the way for the most guilty, corrupt, and damned of sinners, whosoever will believe in him, to become a member of God's household, belonging to the family of God - as a son of God. This study book unfolds insightful revelation from the word of God around the topic of sonship. It is intended to equip the believer with a fresh perspective and a restored understanding of God as our Father and the believer's position as a son of God. Suitable for both personal and group study activities, the study is intentionally designed to encourage interaction with the content for the reader to search and fill out scriptures as they follow along. Further included are additional scriptures in every chapter to motivate scripture search, further study, reference and community sharing. Within this study book are answers concerning questions asked by many believers such as - What does it mean to be a son of God? And an understanding of the Father-son relationship that we enjoy as believers in Jesus Christ and more.