The number one bestseller, the magical first children's novel by Tom Fletcher, stars of the BBC program Strictly Come Dancing.

This is a story about a boy named William Trundle and a dinosaur named the Christmas Dinosaur.

It's about how they meet one day on Christmas Eve and experience a magical adventure. It's about friendship and families, sleigh bells and Santa, singing elves and flying reindeer.

It's about discovering the true desire of your heart and realizing that the impossible may just be possible...