Mark of Calth

The Underworld War

by Aaron Dembski-Bowden

• 3 editions

Unmarked

by Dan Abnett

• 3 editions

The Shards of Erebus

by Guy Haley

• 3 editions

A Deeper Darkness

by Rob Sanders

• 3 editions

Athame

by John French

• 3 editions

Dark Heart

by Anthony Reynolds

When the Word Bearers launched their surprise assault on Calth, it marked the beginning of their righteous campaign of vengeance against the hated Ultramarines Legion. But for one young acolyte of Kor Phaeron, it is not the sons of Guilliman that he seeks to bring low - through infernal pacts and daemonic power he strives to carve out a destiny for himself in the midst of the greatest war that the galaxy has ever seen. The name of Marduk shall be spoken with awe for millennia still to come...

• 4 editions

Calth That Was

by Graham McNeill

• 3 editions

The Traveller

by David Annendale

• 3 editions

Mark of Calth

Released January, 2014 · 416 pages

A Horus Heresy anthollogy featuring New York Times bestsellers Dan Abnett, Aaron Dembski-Bowden and Graham McNeill · ISBN-13: 9781849705752 · ASIN: 1849705755

• 416 pages
• 8 storyies in this edition

Mark of Calth

Released November, 2016 · 416 pages

The war between the Ultramarines and the Word Bearers continues · ISBN-13: 9780857879141 · ASIN: B01N94GKSU

• 416 pages
• 8 storyies in this edition

Mark of Calth

Released October, 2017 · 12h 53m

Full and Unabridged · ASIN: B076B5DDXS

• Runtime: 12h 53m
• 8 storyies in this edition

The Horus Heresy Mainline Series

• 54 publications