Cowell, Cressida. Wizards of once (Series) #3

"Originally published in 2019 by Hodder Children's Books in Great Britain."

Xar and Wish are heroes with a huge task ahead--confronting the Nuckalavee is not for the faint hearted. But with Magic and Iron together, they might just have a chance of saving their beloved homes from those who seek to destroy everything they hold dear. The third electrifying book in The Wizards of Once series fizzes with magic and introduces us to a host of glorious new characters: bears and piskies and magical pins and needles to name but a few