Death or Glory (Ciaphas Cain, #4)

Yet again, reluctant hero Commissar Cain is catapulted into glory in the fourth story of this tremendously popular series. Escaping from a disastrous space battle, the commissar and his malodorous sidekick Jurgen crash-land behind enemy lines. The only way out is to round up what few troops they can find, and fight their way back to the safety of the Imperial lines. Unfortunately, hundreds of thousands of barbaric alien orks stand in their way!