Traitor General (Novel)

Traitor General is the eighth volume in the Gaunt's Ghosts series of novels by Dan Abnett.

Synopsis
An Imperial general has defected to the enemy, and the secrets he carries could spell the end of the Sabbat Worlds Crusade. Colonel-Commissar Ibram Gaunt and a small team from the Tanith First-and-Only must infiltrate an enemy-held world and gain the trust of the local underground, all the while trying desperately to avoid the ever-present taint of Chaos. Their mission: to stop the Traitor general from revealing his secrets -- by any means necessary.