The Elves have been given their own mystery to solve.On Christmas Eve, a letter arrives at the North Pole from a little girl called Sofi. She has one question – how old is Santa Claus? And so begins a quest for two little Elves to find out the answer! But will the Elves discover how old Santa is?A story full of fun, adventure, friendship and Elves!Charming and entertaining picture book to share over the festive periodPerfect for bedtime reading and story timeGreat stocking filler gift for a child at ChristmasFrom the global phenomenon, The Elf on the Shelf, comes this gorgeous picture book which taps into the magic and wonder of Christmas.