Eager to improve her computer skills, a woman borrowed a series of educational books from her local library over a period of a couple of months. Eventually the librarian remarked: "You must be getting really knowledgeable about computers by now." "Thanks," she replied. "What makes you say that?" "Well," said the librarian, "only one of the books you're taking out this week has 'For Dummies' in the title." I bought a book on reincarnation yesterday. It was quite expensive, but I thought, 'You onl…