This is an excellent exposition of what God has said in His Word, the Bible, about the nature of man, and God’s means of saving man. These audio sermons were preached by Arturo G. Azurdia III. The original posting of this preaching series, called “The Doctrines of Grace,” is on his ministry’s “Sermons” page at:
http://www.spiritempoweredpreaching.com/sermons.htm

The Doctrines of Grace Part 1 - Total Depravity
The Doctrines of Grace Part 2 - Unconditional Election
The Doctrines of Grace Part 3 - Limited Atonement
The Doctrines of Grace Part 4 - Irresistible Grace
The Doctrines of Grace Part 5 - Perseverance of the Saints
The Doctrines of Grace Q&A Part 1
The Doctrines of Grace Q&A Part 2
The Doctrines of Grace Q&A Part 3

Another excellent and humble exposition of what God has said in His Word, the Bible, about why God has chosen to save some, and not others. These audio sermons on the Doctrine of Election and Reprobation were preached by Wayne Grudem, and are just two sermons in a series on systematic Theology. A collection of Dr. Grudem’s teachings can be found at Monergism.com.

Systematic Theology: Doctrine of Election and Reprobation (Part 1)
Systematic Theology: Doctrine of Election and Reprobation (Part 2)