In Wolves' Clothing (Call of Chaos #3)

Striking into the Eye of Terror like the spear of Russ himself, the Space Wolves crew of the warship Reiodi bring to heel a thrice-cursed traitor from the days of the Horus Heresy. But this prey is more dangerous than the hunters know, even after he dies. After all, there's a reason he's known as Lucius the Eternal...

Read it because
Space Wolves hunt Lucius the Eternal, one of the galaxy's greatest swordsmen. And we all know what happens to Lucius' killer if he feels any pride or satisfaction, so the story promises to be very dark and very, very bloody...