Set during the events of Abaddon the Despoiler's Thirteenth Black Crusade, the Grey Knights series is a novel trilogy written by Ben Counter covering various exploits of the Grey Knights chapter, and its counter-daemon operations under the supervision of Ordo Malleus. While its primary protagonist is a Justicar of that chapter, many of its characters are drawn from the ranks of the Daemonhunters and the Inquisition.





