On the battlefields of Aexe Cardinal, the struggling forces of the Imperial Guard are locked in a deadly stalemate with the dark armies of Chaos. Colonel-Commissar Ibram Gaunt and his regiment, the Tanith First-and-Only, are thrown headlong into the living hell of trench warfare, where death by an unseen enemy is always just a moment away. The only chance for Gaunt and his lightly armed scouts to survive is to volunteer for a mission so dangerous that no one else dares accept it!

Read it because
Deadly trench battles and a mysterious house form the two threads of this epic story, along with the continuing feud within the regiment and the fallout from the shocking conclusion of the previous book in the series...