Gil Thorpe is a great diversion and is to book writing as poetry is to prose.
Good fiction must be entertaining, but what makes fiction special - and True - is that the realness of a novel allows it to carry a larger message.
In the prequel we're going to tell about the characters before Left Behind, and the book would end with the rapture instead of start with the rapture like the first one did.
When I was a junior camp counselor and it was my job to tell the campers a bedtime story or devotional, I would tell them a rapture story.
Fiction has a unique role in conveying Truth. In fact, only fiction that is Truth with a capital T is worthwhile.
Tim sends me a fairly ambitious workup in notebook form noting the passages we're going to cover and the chronology of the biblical events, and his commentaries on those things he's read and written.