"As more secrets are revealed, more enemies are uncovered, and the reality of a Diotech-controlled world grows closer every day, Sera will have to choose where her true loyalties lie, but it's a choice that may cost her everything she's ever loved"--
- ISBN10 0374379890
- ISBN13 9780374379896
- Publish Date 24 February 2015
- Publish Status Out of Print
- Out of Print 30 June 2021
- Imprint Farrar, Straus and Giroux (Byr)
- Format Hardcover
- Pages 432
- Language English