Hoping to bring back her father and the other missing royals of Cello, Princess Ko gathers a group of teens, each with a special ability, including Elliot, whose forbidden communications with Madeleine may be the key to traveling across worlds.
- ISBN: 9780545397384
- Author: Moriarty, Jaclyn
- Published: 2014 , Arthur A. Levine Books, an imprint of Scholastic I
- Themes: color, Interpersonal relations, Magic, missing people
- Descriptors: England (UK), Europe, Fantasy, Intermediate (ages 9-14), Young Adult (ages 14-18)
- No. of pages: 480