Nevermoor Tome 3
Hollowpox. The Hunt for Morrigan Crow

Morrigan Crow is ready to step into her destiny as a Wundersmith, and control the power that threatens to consume her. She and her friends are proud to be in their second year at the magical Wundrous Society, and together they can face anything. But a strange illness has taken hold of Nevermoor, turning its peaceable Wunimals into mindless, vicious unnimals... Can Morrigan find a cure for the Hollowpox - even if it will put her in more danger than ever before ?