The purpose behind writing the book Undoubting God, and for creating this website, facebook page and the YouTube channel is to show that faith is not fairy tales and that the God of the bible is real.
I think the verse from 2 Corinthians 10:5 (ESV) sums things up well:
“We destroy arguments and every loft opinion raised against the knowledge of God, and take every thought captive to obey Christ.”
Another purpose is to develop a loving, respectful community of apologists primarily through the facebook page, but also through this site and YouTube comments section.