Mark of Calth (#25 Horus Heresy)

Laurie Goulding

Anthology of short stories revealing the untold tales of the Underworld War.   The Heresy came to 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...