This 98-page hardback book contains:
Background, art, and fiction revealing the horrifying armies of Nagash
A description of their many grotesque soldiers, along with detailed photography and artwork
Faction rules including battle traits, battle formations, heroic traits, artefacts of power, Manifestations, and Spells
28 warscrolls, covering each unit
A Spearhead guide, including gameplay and hobby advice, along with its own set of warscrolls and army abilities for the Kavalos Vanguard
Narrative Path to Glory rules, including the Anvil of Apotheosis, allowing you to create your own hero
Rules for two thematic Armies of Renown and two Regiments of Renown that can be added to other Death armies
A handy reference section with army abilities, magic, and battle traits
An 8-page gatefold section, featuring a map of the Ossiarch Bonereapers' empire, as well as describing the Ossian Blade the mailed fist of Nagash

This book also contains a one-use code to unlockDeath Battletome: Ossiarch Bonereaperscontent in Warhammer Age of Sigmar: The App.