When The Gates Open For Casey Vallen

What will happen when the gates open for Casey Vallen? Casey is a twelve-year-old boy living in the secluded suburb of Lily Hills, but there is something about his family that has always made him different to the other students at his local primary school. His deceased father, who once lived in the magical city of Gatiso, hid a Vorostone for him many years ago. Casey's mother is convinced it does not exist but his aunt Odessa, the Chancellor of Gatiso, is certain of its whereabouts. What does a Vorostone do? Where is it hidden? What does this all mean for Casey Vallen?