There is little doubt that one of our newest books, Brigid and the Butter, is based on folklore about St. Brigid of Ireland rather than on fact. Does that make it any less compelling for children to read? Our tradition says no: Jesus himself used parables (stories) to illustrate what he was talking about, and folklore (stories) often tells us more about who we are than any law or date can ever do. The farther back in time we go, the less we tend to know about people. Sometimes no one writes...