The Demon in the Wood (The Shadow and Bone Trilogy, #0.5)

by Leigh Bardugo

Fear is a powerful ally, but feed it too often, make it too strong, and it will turn on you.

His head throbbed, and he was dizzy with the pain. But his mother had taught him to think clearly, even when he was hurting, even when he wasn’t so sure he wanted to go on.