I'm not in the habit of recommending books, but based on the excerpt at Salon, I'm going to recommend this one: Unapologetic: Why, Despite Everything, Christianity Can Still Make Emotional Sense.
Auden once described us as living "each in the cell of himself," and I think that is unavoidably true; such is the nature of human existence. So I seldom recommend books because if they move me, they probably will do so no more; or if they move me, it is for reasons so personal and peculiar even I can't explain it. I re-read Kierkegaard often, but sometimes it's just to ferret out a memory of what I may have learned. Upholding Mystery was absolutely my favorite book of poetry, period; and then all of a sudden it wasn't.
So Unapologetic may last through only one reading. But I still think it would be a worthwhile reading; and if you don't get to Salon often, take the time to read the excerpt there.
I really cannot recommend it enough.*
*Although it's p.o.v. is entirely limited to atheists and Christianity. Then again, it's a personal statement, not a scholarly one. Still, the limitation underscores how narrow and even narcissistic this discussion is.