17 books in series

The Horus Heresy: Primarchs

The Horus Heresy: Primarchs is a 17-book series with 17 released primary works first released in 2015 with contributions by David Annandale, Chris Wraight, Graham McNeill, Guy Haley, Gav Thorpe, Joshua Reynolds, David Guymer, Ian St. Martin, and Mike Brooks.

Roboute Guilliman: Lord of Ultramar
Leman Russ: The Great Wolf
Magnus the Red: Master of Prospero
Perturabo: Hammer of Olympia
Cover 7

Lorgar

Fulgrim: The Palatine Phoenix
Ferrus Manus: The Gorgon of Medusa
Jaghatai Khan: Warhawk of Chogoris
Vulkan: Lord of Drakes
Corax: Lord of Shadows
Angron: Slave of Nuceria
Konrad Curze: The Night Haunter
Cover 1

Lion El'Jonson

Alpharius: Head of the Hydra
Mortarion: The Pale King
Rogal Dorn: The Emperor's Crusader
Sanguinius: The Great Angel