Age of Reckoning

Empire in Chaos (Anthony Reynolds - September 2008)
In a land ravaged by plague and swarming with mutants, a young woman and her companions become swept up in an epic battle to save the Empire from its most ferocious foes - the forces of Chaos.

Dark Storm Gathering (Chris Wraight - March 2009)
Human and elf adventurers join forces with the armies of the Empire to turn back an invasion by the forces of Chaos.

Forged by Chaos (C.L. Werner - December 2009)
Book three in the Warhammer Online series see the Chaos forces of the Ravenhost battling the Empire, harnessing the power of Chaos.