Zaya Wayward has survived battles, dark magic, and bloodthirsty rituals. But despite these hard-won victories, she’s still not safe.

In the escalating fight against Morgomoth, now she must play the most crucial role in the war. Zaya must use The Bone Grimoire to unite the Larthalgule and Neathror blades to defeat the merciless leader of the United League of Dissent.

As secrets, lies, and betrayals are exposed, fighting for freedom could cost Zaya and her friends the ultimate sacrifice.