The spellbinding sequel to Tom Fletcher's bestselling magical adventure, The Christmasaurus.

'She is the best-kept Christmas secret of all,' whispered Santa Claus. 'Which is surprising, because Christmas itself would not exist without her. She is older than time itself, yet still as young as tomorrow. She is known only as the Winter Witch.'

One year has passed since William Trundle's incredible adventure with the most extraordinary dinosaur: the Christmasaurus. Now, William i ...