Games Workshop has just announced a raft of Pre-Releases and heading the bill is the 40k Drukhari codex.
From the website
“The dark denizens of Commorragh are raiding the webstore this week, with Codex: Drukhari and Warhammer 40,000: Piety and Pain leading the way. Don’t miss the opening act of War Zone Charadon either, as a Chaos invasion threatens to engulf a critical sector in the next series of narrative supplements for the 41st Millennium.”