4 books in series

The Spook's Apprentice: Brother Wulf

The Spook's Apprentice: Brother Wulf is a 3-book series with 4 primary works first released in 2020 with contributions by Joseph Delaney.

Brother Wulf
Frère Wulf, Tome 01: L'enlèvement de l'Épouvanteur
Wulf's Bane
The Last Spook
Brother Wulf: Wulf's War