Dark Disciple (Warhammer 40,000 Novels: Chaos Space Marines)

Ever driven by his lust for power, Marduk, now Dark Apostle of the World Bearers Chaos Space Marine Legion, strives to unlock the secrets of an ancient and deadly artefact. The quest throws him and the World Bearers into a deadly warzone and a desperate battle between their imperial enemies and the alien tyranids.