The Dinosaur Tooth Fairy lives in the Museum, where she polishes her giant tooth collection and remembers the good old days. But when a little girl with a loose tooth walks through with her class, the D.T.F. knows she wants it, wants it, WANTS it The thing is, the world has changed quite a lot since the D.T.F. was out and about -- there are doorknobs, slobbering dogs, and school buses to worry about now. Not to mention a mysterious Tooth Fairy rival...