Here is a list of some of my favorite books. I will add to this list often.
General
Doctrines of the Bible – David Bernard
Spiritual Gifts – David Bernard
Creation
Creation vs Evolution – Arlo Moehlenpah
Godhead
The Oneness of God – David Bernard
The Oneness View of Jesus Christ – David Bernard
The God of Two Testaments – Robert Brent Graves
The Godhead – Kenneth V. Reeves
The Supreme Godhead – Kenneth V. Reeves
Salvation
In the Name of Jesus – David Bernard
The New Birth – David Bernard
Holiness
In Search of Holiness – David Bernard
Practical Holiness – David Bernard