Some of Black Library’s earliest and best-loved books tackled the mysteries of the Inquisition, away from 40k’s usual battlefields, but for a while it seemed those sorts of stories had fallen out of favour. Chris Wraight’s Vaults of Terra: The Carrion Throne offers a welcome return, featuring Inquisitor Erasmus Crowl and Interrogator Luce Spinoza as they work to root out a dangerous cult deep within the heart of the throneworld, Terra itself. As the sacred festival of Sanguinala approaches and Terra swells with countless pilgrims, can Crowl and Spinoza cut to the heart of the unfolding events in time to prevent disaster?