Présentation de l'éditeur
Grandad’s stories were the best, far better than anything Dylan had ever seen written down in a book. But when one evening Grandad tells him about the mysterious sethundra both Dylan and his older sister Katy discover something they didn’t expect. Every story their grandfather had ever told them was true. With no warning, they find themselves set upon a path to unravel the mysteries of their own family and caught up in a desperate struggle that will not only decide their fate, but the fate of all the worlds.