For those desiring to hear some good instruction on biblical apologetics, we refer the reader to 4 audio seminars posted online. These four lectures were delivered back in September 2008 by Dr. Martin Erdmann.
Go to this link: http://gracefellowshipcc.org/sermonaudio/?m=200809
Here you can locate Dr. Erdmann's lectures (in reverse order).
Dr. Erdmann is the author of Building the Kingdom of God on Earth: The Churches' Contribution to Marshal Public Support for World Order and Peace, 1919-1945, a seminal work on Dominionism and how the Protestant churches worked in the first half of the last century towards global governance. Dr. Erdmann was a featured speaker at the most recent Discernment Ministries conference. CDs of his lectures at this conference are available: 903-567-6423.