Summoner: : The Battlemage: Book 3
Taran Matharu
Crooked Kingdom: Book 2 (Six of Crows)
Bardugo, Leigh
New Guard (CHERUB)
Robert Muchamore
Summoner: Book 2: The Inquisition
Six of Crows
Leigh Bardugo
Summoner: Book 1: The Novice
Book 0: Origins (The prequel): A free eBook (Summoner)