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Defending The Christian Worldview Against All Opposition (CD Set) by Greg Bahnsen
Battling Unbelief (DVD) by John Piper
The Marks of a Cult: A Biblical Analysis (DVD) by Apologetics Group
Defending The Christian Worldview Against All Opposition
(CD Set) 
Battling Unbelief (DVD)
The Marks of a Cult: A Biblical Analysis (DVD) 