An elf retrains. When a new family moves to the old farm on the edge of the forest, Nisse the elf is overjoyed! At last he can take care of the farm animals again, as is the tradition with the Swedish elves. But everything turns out quite differently than expected. And then Nisse learns that there is a lot to do at Santa's headquarters and helpers are urgently needed. To become a Christmas elf, however, the yard elf would first have to undergo retraining - making presents, baking cookies and learning lots of other things. Fortunately, the animals from the forest and the children of the farm help him with his training. Will Nisse actually get to ride in the Christmas sleigh on Christmas Eve? A fairy-tale Christmas book in 24 chapters.