Here There Be Griffins

When 12-year-old Molybdenum McTavish finds a griffon's egg in her grampa's towing yard she is thrown into a whirlwind adventure that takes her beyond the north wind and off her own map. Moly must find out who she is and who she can trust before the last of the griffons is brutally murdered and the people of Hyperborea made slaves. Can a girl and her newly-hatched Tiger griffon take down a horde of one-eyed Arim before it's too late?