As a parent, I believe (with the older apologists) that it's essential to preserve a small, inviolate space in the heart of a child, a space where he is free to believe impossibilities. [...]
This sheds light on a seeming paradox in St. Paul's letter to Roman Christians: "For since the creation of the world His invisible attributes are clearly seen, being understood by the things that are made..." How does one see "invisible attributes"? Only people raised on fairy tales can make sense of that. It belongs in a terrain where magic glasses can illumine what was heretofore hidden, where rabbit holes open into wonderlands. No wonder some atheists like Mr. Dawkins want to kill Harry Potter.
Read the rest here. (NOTE: link has adult discussion of Santa Claus, so it might not be one to read with young children looking over your shoulder.)