Above all, no humor. No jokes, no kidding, no double meanings, no quirks and certainly no irony. There's not much point in reading Evangelical fiction unless you are reasonably interested in the Bible. A disproportionate number of good men happen to be carpenters. Prayer, usually printed in italics, abounds.
Many narratives grind to a halt for thinly disguised Bible classes.
Robertson pads his story this way. The king of the genre is Frank Peretti, author of four best sellers. The local law blames the killings on a deranged bear, but that's too easy. Better to look at the town's depraved boss and such little clues as lizard saliva found on a body. Yes, the killer is a devouring dragon, and that dragon is sin.