is the ninth in the series: Dorothy and her friends are in their final year at Glendwood School (a high school). Along the way, Dorothy meets Celia Moran, an orphaned little girl who asks Dorothy to find her brother, Tom, who will rescue her from the orphanage. Of course Dorothy promises to do so, and the hunt for Tom Moran is on. Of course, along the way, Tavia and Dorothy's other friends encounter obstacles and adventures.