The Hidden Smile of God: The Fruit of Affliction in the Lives of John Bunyan, William Cowper, and David Brainerd (Volume 2)

The Legacy of Sovereign Joy: God's Triumphant Grace in the Lives of Augustine, Luther, and Calvin

Contending for Our All: Defending Truth and Treasuring Christ in the Lives of Athanasius, John Owen, and J. Gresham Machen

Filling Up the Afflictions of Christ: The Cost of Bringing the Gospel to the Nations in the Lives of William Tyndale, Adoniram Judson, and John Paton

The Roots of Endurance: Invincible Perseverance in the Lives of John Newton, Charles Simeon, and William Wilberforce

Seeing Beauty and Saying Beautifully: The Power of Poetic Effort in the Work of George Herbert, George Whitefield, and C. S. Lewis

On Grace and Free Will

Systematic Theology

A Camaraderie of Confidence: The Fruit of Unfailing Faith in the Lives of Charles Spurgeon, George Müller, and Hudson Taylor

When the Darkness Will Not Lift: Doing What We Can While We Wait for God: Doing What We Can While We Wait for God--and Joy