Lee Strobel, 2008
Apologetics
The Next Christians Participant's Guide: Following Jesus in a Post-Christian Culture
Gabe Lyons, 2011
Does God Exist? Study Guide: Building the Scientific Case (TrueU)
Del Tackett, 2012
Engaging Post-Christian Culture Participant's Guide: Our Mission in a New Context (Q Society Room)
Norton Herbst, 2010