An Inuit hunter asked the local missionary priest: If I did not know about God and sin, would I go to hell? No, said the priest, not if you did not know. Then why, asked the Inuit earnestly, did you tell me?
One of the interesting things about YA books - I don't know about Percy Jackson, but I do know about 'Twilight' and 'Maximum Ride': There are a lot of adult readers. In fact, we released 'Maximum Ride' both as a paperback for kids and as a mass release for adults.