If you could give one book to a Christian, what would it be?

Which one book would you give to a Christian to help them get over their God infection?

It seems that each time I read a good book written by a skeptic, I say to myself, "If only I could get Christians to read this book too!". I have a strong feeling that if a Christian could just read the very simple and easy thoughts put down by a guy like Carl Sagan, they too would see the light and realize that all of this religion stuff is nonsense.

Here's your chance to recommend books to a Christian reader that may actually turn them around to a rational way of thinking.

Personally, I'm fond of Letter to a Christian Nation, Pale Blue Dot, and The Varieties of Scientific Experience (A Personal View of the Search for God). While Pale Blue Dot wasn't necessarily about religion, I felt it provided a great perspective on our unimportant existence in the universe. The God Delusion was great too, but I don't want to scare anyone off.

Which books would you guys recommend? And Christians, would you be willing to read any of the books presented here?