52 books in series

The Horus Heresy - Black Library recommended reading order

The Horus Heresy - Black Library recommended reading order is a 51-book series with 52 primary works first released in 2006 with contributions by Dan Abnett, Graham McNeill, Ben Counter, James Swallow, Mitchel Scanlon, Mike Lee, Aaron Dembski-Bowden, Gav Thorpe, Rob Sanders, David Annandale, John French, Nick Kyme, Chris Wraight, Guy Haley, Anthony Reynolds, John French, Matthew Farrer, and Andy Smillie.

Horus, SeƱor de la Guerra
False Gods
Galaxy in Flames
The Flight of the Eisenstein
Fulgrim
Descent of Angels
Legion
Battle for the Abyss
Mechanicum
Tales of Heresy
Fallen Angels
A Thousand Sons
Nemesis
The First Heretic
Prospero Burns : the wolves unleashed
Age of Darkness
The Outcast Dead
Deliverance Lost
Know No Fear (The Horus Heresy, #19)
The Honoured
The Unburdened
The Primarchs
Cybernetica
Fear to tread
Shadows of Treachery
Angel Exterminatus
Tallarn: Executioner
Tallarn: Ironclad
Betrayer
Mark of Calth
Cover 5

Promethean Sun

Scorched Earth
Vulkan Lives
The Unremembered Empire
Scars
Vengeful Spirit
The Damnation of Pythos
Legacies of Betrayal
Deathfire
War Without End
Pharos
The Seventh Serpent
Eye of Terra
The Path of Heaven
The Silent War
Angels of Caliban
Praetorian of Dorn
Corax
The Master of Mankind
Garro
Shattered Legions
The Crimson King