Defender of the Imperium

Alexander Michael Stewart (born 25 July 1958) is a British writer. His best known work is fiction written under the pseudonym Sandy Mitchell—Warhammer and Warhammer 40,000 novels, including the Ciaphas Cain series. A full-time writer since the mid-1980s, the majority of his work (as Sandy Mitchell) has been tie-in fiction for Games Workshop's Warhammer fantasy and Warhammer 40,000 science fiction lines, as well as a novelisation of episodes from the high tech thriller series Bugs, for which he also worked as a scriptwriter under his real name.