So I asked her why she had chosen it, and she said: “Because I liked it.” I asked her why? “Oh, I don’t know,” she said. Now that is just the sort of girl or boy for whom I am writing this book. Not that I think that girl would have liked her picture any better for knowing why she liked it. Then, “What is the good,” you ask, “of writing a book to help her to know?” A very shrewd question and quite to the point. Let me try to answer it.