On the eve of her thirteenth birthday, Kerka returns to the magical land of Aventurine, where she is sent on a seemingly impossible mission that she hopes will bring back the closeness she had with her sisters before their mother's death.
- ISBN10 0375951830
- ISBN13 9780375951831
- Publish Date 11 May 2010 (first published 1 January 2010)
- Publish Status Remaindered
- Out of Print 11 March 2015
- Publish Country US
- Imprint Random House Books for Young Readers
- Format Hardcover (Library Binding)
- Pages 194
- Language English