"Thorndike Press Large Print The Literacy Bridge"--Copyright page.
Originally published in a slightly different form by Razorbill in New York in 2016.
Sequel to: An ember in the ashes.
Summary
The quest continues for Elias and Laia to rescue Laia's brother from an impenetrable prison and elude the Emperor and Commandant, while Elias's former friend Helen, now the Blood Shrike, is under the Emperor's orders to kill them.