Polishing her collection of fangs in a museum, the last Dinosaur Tooth Fairy is very lonely and longs for a new tooth, so when she spots a loose one she will do almost anything to get it--even face modern-day monsters.
In a series of letters, six-year-old Claire and the Tooth Fairy discuss the important matter of her first loose tooth and when it is going to fall out.
When tooth fairy Edith B. Cuspid finds her friend Bernice Sparklestein, a fairy godmother whose work is legendary, having a very bad wand day, she tries to cheer her up by suggesting Bernice try other fairy jobs.
When orphaned Katherine learns that the teeth collected by the scorned Tooth Fairy contain memories of childhood, she enlists the help of the Guardians to get her tooth back and remember her parents.
Squirrelly Gray loses his two front teeth, and the Tooth Fairy's visit is just the beginning of a night of surprises for the squirrel in his gray, colorless world.
The Tooth Fairy travels all around the world leaving surprises for children who have lost a tooth, but when her own tooth falls out, the Tooth Fairy wonders who will leave her a special treat.
