15 Books Found

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"A story about 2 kids in the beginning and then I belive it could be their uncle comes who is a sorcerer or necromancer and the kids go with him to another world his castle and they grow up there. The ending im not sure but I remeber vines growing around the castle and the necromancer using his power to get rid of it. The cover of the book is a tall man with a red top hat on. "