The Sorcerer King/The Seventh Daughter

Sixteen-year-old Tania returns to the realm of Faerie with her mother, Queen Titania, only to find that it has been devastated by the Sorcerer King of Lyonesse, an ancient enemy of the Faerie Court who has been released from his amber prison. With her true love Edric, Tania must travel across the realm to find and rescue her father, King Oberon, who has been imprisoned as the sorcerer destroys the Faerie Court.