Silas is left shaken, scared, and alone, except for the presence of his companion, Mittenwool . . . who happens to be a ghost. When a pony shows up at his door, Silas makes the courageous decision to leave his home and embark on a perilous journey to find his father. Along the way, he will face his fears to unlock the secrets of his past and explore the unfathomable mysteries of the world around him.

    But upon arriving in the tiny town of Pine Mountain, Colorado, Arlo soon learns there's so much more. His new friends Indra and Wu teach him how to harness the wild magi seeping in from the mysterious Long Woods - a parallel realm of wonder and danger.First he must master the basics, including snaplights, thunderclaps and identifying supernatural creatures. But Arlo Finch is no ordinary Ranger, and this is no ordinary time. A dark and ancient force is sending threats into the real world...our world. And whatever it is has its sights set on Arlo.Through perilous adventures and close calls, Arlo is awakened to his unique destiny - but the obstacles he faces will test the very foundations of the Ranger's Vow: loyalty, bravery, kindness and truth.