When Ellie puts on her new pyjamas, strange things start to happen. She and her little brother, Max, are whisked off to the Christmas Shop where a battle is raging between a valiant troop of toys and the scaaaarry Christmas Tree Fairy and her army of angels.

Can Ellie and Max save Christmas for the world or will they be arrested for being mince spies?

This is the first book in a new series about the Cosmic Pyjamas. They're magical and they're dangerous. You have been warned!