The Inquisition War - Warhammer 40000 Author:Ian Watson The Inquisition War is a classic story of Inquisitor Jaq Drako and his desperate mission to uncover a plot that will bring mankind to its knees before the Dark Powers. Written by award-winning author, Ian Watson, The Inquisition War explores areas of the Warhammer 40,000 mythology that few other authors have dared to tackle!