Matt Haig 
Boy Called Christmas 

Eleven-year-old Nikolasnicknamed Christmashas received only one toy in his life: a doll carved out of a turnip. Still, he tries hard to believe in happiness, living with his father in the second smallest cottage in all of Finland. Then one day his father goes missing, and Nikolas must travel to the North Pole to save him. Along the way, Nikolas befriends a surly reindeer, bests a troublesome troll, and discovers a hidden world of enchantment in the frozen village of Elfhelm. But the elves of Elfhelm have troubles of their own: Christmas spirit and goodwill are at an all-time low, and Nikolas may be the only person who can fix thingsif only he can reach his father before its too late. . . .Sparkling with wit and warmth, A Boy Called Christmas is a cheeky new Christmas classic-in-the-making from acclaimed author Matt Haig and illustrator Chris Mould.