Early Church Fathers:

On First Principles - Origen

Shepard Of Hermes - Hermes

Epistle to the Philippians - Polycarp

Demonstration of Apostolic Preaching - Irenaeus  

Theology:

Surprised By Hope - NT Wright

The Day the Revolution Began - NT Wright

Simply Christian - NT Wright

History and Eschatology - NT Wright

Scripture and the Authority of God - NT Wright

Space, Time & Resurrection - T.F Torrance

History and Eschatology - Rudolph Bultmann

Unseen Realm - Mike Heiser

Demons - Mike Heiser

Creation and Fall - Dietrich Bonhoeffer

Ethics - Dietrich Bonhoeffer

The Cost of Discipleship - Dietrich Bonhoeffer

The Epistle to the Romans - Karl Barth

Father and Son Systemic Theology - Harold Eberle  

Victorious Eschatology - Harold Eberle

Ecstasy and Intimacy: When the Holy Spirit meets the human spirit - Edith Humphrey

Salvation by Allegiance Alone - Matthew Bates

The Divine Conspiracy - Dallas Willard 
 

Mystic & Contemplation:

The New Mystics - John Crowder

Practicing the Presence - Brother Lawrence 

Guide Lines for Mystical Prayer - Ruth Burrows

Revelation of Divine Love - Julian of Norwich

Burning Bush - Kim Catherine-Marie Kollins

Interior Castle - St. Theresa of Avila

Mysticism - Evelyn Underhill

The Story of a Soul - St. Therese of Lisieux

The Spiritual Guide - Michael Molinos

No Man is an Island - Thomas Merton

The New Man - Thomas Merton

New Seeds of Contemplation - Thomas Merton

Liturgy of the Ordinary - Tish Harrison Warren

Practical Ministry:

Biblical Role of Elders - Larry Kreider 

House to House - Larry Kreider

Other:

Abbas Child - Brennan Manning

The Furious Longing of God - Brennan Manning

Knowledge of the Holy - A.W. Tozer

A Tale of Three Kings - Gene Edwards

Apostolic Foundations - Art Katz

A Farewell to Mars - Brian Zahnd

Awakened by the Spirit - Ron Phillips

Not Against Flesh and Blood - Martin Lloyd Jones