Follow the four heroes of Erdas in this new chapter of the New York
Times bestselling series!
- ISBN13 9781338116694
- Publish Date 1 February 2018 (first published 30 January 2018)
- Publish Status Out of Print
- Out of Print 13 September 2022
- Publish Country US
- Imprint Scholastic US
- Format Hardcover
- Pages 192
- Language English