The Horus Heresy Book One - Betrayal is a supplement for Warhammer 40,000 dealing with war and battle in the dark age of the Horus Heresy. This book, lavishly illustrated in full colour, contains extensive background information on the Imperium as it stood at the end of the Great Crusade. Also detailed are the histories of the four Legions who took part: the Sons of Horus, Emperor's Children, World Eaters and Death Guard and an extensive campaign system. This book also contains a complete Space Marine Legion Crusade Army list as well as games rules for the Primarchs of the four Legions, super-heavy vehicles and special characters featured in the story.

The third and final part of the Isstvan trilogy. This book details the aftermath of the Isstvan V Dropsite Massacre, and two other major battles fought between the Loyalist and Traitor Legions as the Horus Heresy swept out from the Isstvan system and into the wider Imperium of Mankind: the Battle of Phall and the Invasion of Paramar. Also featured are the background and game rules for the four Legions covered in this book: the Alpha Legion, Imperial Fists, Raven Guard and Iron Warriors, and a Mechanicum army list, plus new campaigns and vehicles. This lavishly illustrated, full colour, 285 page hard cover book is leather bound with metal corner clasps stamped with the Imperial Aquila, and features a red ribbon bookmark and foil-edged pages as well as an embossed cover and spine.

Lavishly illustrated in full colour, this leather bound 270 page book contains an extensive history of the Ultramarines, unit profiles and an army list as well as rules for the Primarch of the XIIIth Legion, Roboute Guilliman, so he can lead your army to war along with the elite of his Legion. To represent their part in the conflict, the rules for the Word Bearers Legion have been updated and new units and characters provided for them. The new Imperialis Militia & Cults army list allows you to field the massed troops and war machines of a range of armies raised on a myriad of worlds, including planetary defence forces and twisted Warp cults, with rules to represent your army’s unique background and fighting style.

As the Warmaster Horus sets in motion his plans to conquer Terra, a vicious and bloody battle breaks out on the Eastern Fringe. The Night Lords begin a war of terror in the Thramas System and the Dark Angels race to stop them. What follows are some of the most vicious conflicts of the entire heresy, with no quarter given on either side. As the Night Haunter slips into total madness, can Lion El'Jonson defeat his brother, or will Thramas burn in the name of the Warmaster?