The New Testament stands as the divinely inspired and authoritative repository of God's self-revelation concerning His redemptive plan, culminating in the person and work of Jesus Christ. This volume endeavors to systematically unpack the theological treasures contained within this sacred corpus, offering a comprehensive study for mature Christians, seminary students, pastors, and serious lay scholars. Our approach is firmly anchored in the bedrock of biblical inerrancy and infallibility, specifically as interpreted through the textual fidelity and theological precision of the 1611 King James Bible, a translation esteemed for its faithfulness to the original languages and its historical significance within the Reformed tradition. The vital role of systematic theology in fostering robust Christian life and equipping the church for its mission is central to our purpose. We aim to demonstrate that a well-ordered understanding of doctrine is not a sterile intellectual pursuit but an essential component of devoted discipleship, strengthening faith and enabling effective service. To this end, we embrace a consistent preterist hermeneutic, understanding this interpretive framework as a crucial means by which the New Testament's message, its prophetic fulfillments, and the inauguration of Christ's kingdom in the first century are more clearly illuminated, revealing the organic unity of Scripture. From the foundational doctrine of the Triune God and the glorious person and work of Jesus Christ to the vital ministry of the Holy Spirit, the nature of man and sin, the intricacies of salvation, the doctrine of the Church, and the unfolding of eschatological realities, this study seeks to present a coherent and biblically faithful exposition. We will also explore the glorious attributes of God, the covenantal framework of His dealings with humanity, the means by which we come to know Him through revelation, the spiritual realities of angels and demons, the sacred disciplines of prayer and worship, the ethical imperatives of Christian living, and the indispensable journey of Christian growth and discipleship. It is our earnest prayer that this systematic exploration will serve to deepen your love for God, strengthen your conviction in His Word, and equip you more fully for a life of faithful service and worship.