The first part of a reading plan for Christian apologists is to read the Bible indepth, in context and often. That includes an understanding of the overarching truths of the Bible. The second part is to have at least a basic working knowledge of the original languages of the Bible (Hebrew, Aramaic, Koine Greek). Being able to study the Bible in that atmosphere of the ancient texts will help you address many of the issues of concern to non-Christians.
As we wrote in the last part of our series, Christian apologists today have a great advantage because of the excellent apologists who have gone before us and fought many of the same battles we are fighting today. There is much we can learn from them, especially Jesus Christ and His Apostles.
We move next to the Church Fathers, beginning with the Apostolic Fathers.