When Sarah and Skip's mom inherits and house and moves the family to a remote town in Maine for a fresh start, the pair is anything but pleased. What if there's nothing to do? What if they don't make friends? What if they can't play Pokémon GO? Then they see the mysterious island across the water from their new home--Ghost Island. Mom says she used to paddle out there and have all sorts of adventures. And when Sarah and Skip pick up a signal for a Poké Stop at the heart of the island, they can't wait to get out there and explore. But Ghost Island holds a secret. It's the location of an ever-shifting competition that's been going on for hundreds of years. And now Sarah and Skip are going to be contestants and play Pokémon GO for real. And if they lose, the fate of the world may be at stake. The first book in an exciting new series for fans of the international sensation, Pokémon GO, Ghost Island and the Mystery of Charmander is brimming with mystery and adventure.