I was warned about The Shack, so haven't read it, but I did read the Left Behind Series. I waited until it was finished and read it one after the other. Normally, if I'm going to read Christian fiction, I stick with the Amish/Mennonite type. I especially like Beverly Lewis.
But here's a
: one of my better friends is a ghost writer & editor for Christian books! I asked her how a believing Christian could allow someone to ghostwrite for him or her, and she told me that, when you see "with Unknown Name" or "edited by Unknown Name", you can pretty much guess that it's ghostwritten.