Four hundred degrees! Toxic atmosphere! Gravity beams that crush men in armor like beer cans! Welcome to Infernus. Legion Varus assaults an alien stronghold that’s too close to Mother Earth. The battle turns into a meat grinder that chews through soldiers faster than revival machines can spit them out again. When enemy reinforcements approach the star system, the campaign becomes a race against time. Centurion James McGill must defeat the Demons and their minions before it’s too late. He teams with old friends and old enemies. Robots, Blood Worlders and Saurians join the fight in a grand battle on a deadly planet. Then McGill meets the entity that is behind the invasion, changing everything… HELL WORLD is the latest action-packed entry in B.V. Larson's bestselling Undying Mercenaries series.