Publisher's Synopsis
Ollie and Grace lose their second tooth, place it under their pillow and lay a trap to catch a tooth fairy. Imagine their surprise when they wake to find a watch-mouse named Wensleydale walking around their bedroom. Not only that, he knows their grandpa! They learn how watch-mice help tooth fairies by checking that children are fast asleep. Then, the family travel through magicial underground tunnels to The Royal Mint, where they meet The Tooth Fairy Chief herself, who is waiting with a special gift.
