These are in no particular order!
The Death of Death by John Owen. The PDF can be found here
Apart from the Bible, this is my favorite book of all time. John Owen, the greatest of all Puritans, had already defended Limited Atonement in his first work, A Display of Arminianism. Here is an absolutely thorough treatment of the subject that to this day has not been sufficiently answered by the opposing side. Continue reading Theology Must Reads: Top 10 Books on the Atonement