Author Matt Haig and illustrator Chris Mould share their top tips on how to write and decorate a brilliant letter to Father Christmas.

Of course, that jolly old elf can get writer's block at times—he has so many letters to write, after all. If you're looking for tips for a message from Santa, remember to personalize Santa's ...

After double checking the letter, just to make sure Santa can read it, pop it into the envelope. If you are posting your Santa letters to the Santa's Grotto you will need to add a stamp.