Dawn of War III is the novelization by Robbie MacNiven of the computer game Warhammer 40,000: Dawn of War III.
Every 5,000 years the accursed world of Acheron emerges from the Warp. Drawn by its legend, three factions - Space Marines, Eldar, and Orks - battle each other to possess the great weapon that is said to reside there. But when the weapon is finally revealed, a terrible threat rears its head. Can the three warring generals do whatever it takes to put aside their differences and defeat the ultimate evil?