. . . . . . . . "Mark of Calth" . "Mark of Calth"@en . . . . "Short stories" . . . . . "Mark of calth" . "Science fiction"@en . "Science fiction" . . . . . "Fiction"@en . "Fantasy fiction. Science fiction. The Heresy reached Calth without warning. In just a few hours of betrayal and bloodshed, the proud warriors of the XIIIth Legion - Guilliman's own Ultramarines - were laid low by the treachery of their erstwhile brothers of the XVIIth. Now, as the planet is scoured by solar flares from the wounded Veridian star, the survivors must take the fight to the remaining Word Bearers and their foul allies, or face damnation in the gloomy shelters beneath the planet's surface." . "Fiction" . . . . . . . . . . . . . . . "Warhammer 40,000 (Game) Fiction." . . "Warhammer 40,000 (Game)" . . "Space warfare Fiction." . . . . "Imaginary wars and battles Fiction." . . "Imaginary wars and battles." . . "Science fiction, English." . . "Fantasy fiction, English." . .