On the night before Christmas, Big Mouse and Little Mouse are decorating the tree. Little Mouse scampers out ot search for holly, but finds big white flakes falling from the sky. "Goodness Me!" he cries. "The sky is coming undone!" As Little Mouse's world is covered in snow, he discovers strange things all around him...But Big Mouse shows Little Mouse that snow isn't scary at all. In fact, it's magical. And that a very snowy Christmas is a very good Christmas indeed!Glittery snow twinkles on the book's cover! With cheery illustrations by Jane Chapman, Diana Hendry's holiday adventure is sure to tickle children , who'll delight in knowing the real identities behind Little Mouse's imagined snow monsters.