Traitor's Oath - The Dragonriders of Fiorenza, #6

Who will live? Who will die?On the brink of a final battle, only one girl can protect the army or bring it to ruin -- and her loss will mean a withering attack on her home. Fia knows she could possibly lose everything in this battle, for her friends are also marching against the foe -- and some of them must make a final choice about whose side they're actually on. She must do everything in her power to protect the ones she loves, even if it means paying the ultimate price.
Warfare -- tender moments -- fights between the main characters -- Ryelleth rampaging, ablaze in the sky -- heartbreak -- and glory. Don't miss the thrilling conclusion to the Dragonriders of Fiorenza series!