Fantasy Flight Games announced The Tome of Decay, a new supplement book for The Black Crusade.
From the announcement:
Fantasy Flight Games is pleased to announce The Tome of Decay, a new supplement for Black Crusade.
Focusing on Nurgle, the Chaos God of pestilence and plague, The Tome of Decay serves up all manner of ailments, resources, allies, and ideas for Nurgle’s grotesque followers. The Tome of Decay also includes advice for GMs on running their own plague-filled campaigns!