Warhammer Horus Heresy Legions Imperialis Rulebook

Epic Battle in the Age of Darkness

Games Workshop Products: Brand New 2024 Book. 

Full rules for the 18 Legiones Astartes, the Solar Auxilia, Knights, and Titans

240 pages of background, rules, and inspiration for games of epic scale warfare

Also features a handy reference section to use while playing games

War Battle Games