Psychic paper in books. My books would have more hot dudes doing romantic yet dangerous things than they do. Though I do believe that is the reason some people don't read - they just don't have the imagination.
TUTORIAL: How to write in Elvish. This is the most detailed and thorough I've seen. Also, check out a lovely book called "The Languages of Tolkien's Middle Earth". It explains elvish (Sindarian and Quenya), Dwarvish, and others. Written by Ruth S.