Death Rider

On a doomed world where the Imperium and t'au are locked in a poisonous stalemate, Commissar Valian Hesh of the Death Korps of Krieg fights to prevent the 472nd Siege Regiment from throwing itself into a suicidal final assault. With only his enigmatic prefectus militant for support, the commissar races against a tightening enemy noose and a planet dying around him. A grim study of Krieg's fatalistic soldiers and the officers who command them.