《Niko：穿越北极光的奇幻冒险》7年级上册数学

　　Niko’s dream is coming true! He and his father can be part of Father Christmas’ team of reindeer. Then suddenly Stella turns up and wants his place. Although they both compete for the spot, they also become friends. But then, one day before Christmas, the sleigh is stolen! Christmas is in danger of being cancelled and only Niko can save it.