The Patil Triplets

Everyone assumes Parvati and Padma Patil are twins, in actual fact, they have a third identical sister, a triplet. But she went missing as a baby, snatched in the middle of the night. Over the years, Parvati and Padma have sensed impressions that frighten them. But now on the eve of their first year at Hogwarts, they discover their sister.