Black's Return {Jade Book 3}

Jade Evans learns just how problematic it is to have a somewhat dark past when the Dementors - soul-sucking, happiness-leeching creatures from the wizard prison of Azkaban - become a daily part of Hogwarts life. Plus the constant danger of murderer Sirius Black, and the creepy black dog that keeps showing up everywher...

Jade {Snape's Daughter}

Jade Edwards was an ordinary girl with no parents, living in an orphanage. Then the strange man appears, and before she knows it she's living in a magical school, is definitely not ordinary, and - strangest of all - she's managed to land herself a father. Specifically, the dreaded Potions Master, Severus Snape.