"To rescue her homeland from tyranny, Neryn must seek out the powerful Guardians to complete her training as a Caller"--
- ISBN10 0375869557
- ISBN13 9780375869556
- Publish Date 9 July 2013 (first published 1 January 2013)
- Publish Status Out of Stock
- Publish Country US
- Imprint Alfred A. Knopf Books for Young Readers
- Format Hardcover
- Pages 406
- Language English