Nice Snowing You! — Nancy Krulik

Hoping to escape the cold in his backyard, Sparky chomps on his magic bone--only to find himself in snowy Zermatt, Switzerland. He befriends Lena, a Saint Bernard rescue dog with a terrible sense of direction. The two, in search of food, quickly get lost. But Lena and Sparky might just be in the right place at the right time for Lena to complete her first ever rescue mission!