Daddy's Girl — Blaze Ward

Mom's accidental death let Grandmother declare Angus an orphan, because Dad was an alien, an Aracheed. Worse, the crazy old bitch got custody, and plans to trap Angus on her estate, away from the alien half of the family until Angus reaches eighteen.

But other secrets lurk. Angus must learn about the dark mysteries buried in her own family's past. Things Mom never explained.

She must confront the old woman, and learn how to make her own way, in a world she never desired.