I'm not a Warhammer player, but I've enjoyed some of the pulp novels set in their universe. My favorite of the Warhammer authors was William King.
Here's a couple of original novels he's (temporarily) giving away for free. Both are first in a series:
Stealer of Flesh (The Kormak Saga 1): The Ghul are the Stealers of Flesh, an ancient race of demons who possess the bodies of humans to work great evil. Now one of them has been freed from its ancient prison using Kormak's own dwarf-forged sword and the Guardian must pursue it to a haunted city on the edge of the world to end its reign of terror.
Each book in the Kormak series is a standalone adventure. They can be read in any order but build into an epic picture of the career of the world’s greatest monster hunter.
Death's Angels (Volume One of the Terrarch Chronicles): In a world of magic and gunpowder, the half-breed Rik must rise from simple soldier to the deadliest assassin the world has ever known. Death's Angels is a thrilling tale of muskets and magic blending Lovecraftian horror with adventure in the tradition of Sharpe by the bestselling creator of Gotrek and Felix.
In Death's Angels, Rik and his fellow soldiers of the Seventh Infantry uncover a sinister conspiracy to waken an ancient slumbering evil. They encounter the lovely and terrible Lady Asea, immortal sorceress and ultimate manipulator of men and nations. Their deadly quest will eventually take them to the haunted city of the cannibalistic Spider God to face the hidden peril lurking there.