4. Theology
A New Systematic Theology of The Christian Faith
by: Robert L. Reymond
Christian Beliefs
by: Wayne Grudem
This book is a condensed version of Grudem's longer Systematic Theology. Not as detailed, it is more accessible for more general study.
Institutes of The Christian Religion, Volumes 1 & 2
by: John Calvin
Systematic Theology
by: Wayne Grudem
The Moody Handbook of Theology
by: Paul Enns
The Pleasures of God
by: John Piper
Truth. Worship. Transformation. Community.