Brandis, — Katja 7z

Das Vermächtnis der Wandler (The Legacy of the Shifters).

Clearwater High, a secret boarding school for shapeshifters. Brandis, Katja 7z

The "7z" in your request likely refers to the in her overarching walker universe, which is the first book of the sequel series: Woodwalkers: The Return (Season 2), Volume 1: Das Vermächtnis der Wandler (The Legacy of the Shifters). Das Vermächtnis der Wandler (The Legacy of the Shifters)