various
The War For Rynn's World

When the ork hordes of the warlord Snagrod, Arch Arsonist of Charadon, lay waste to the planet of Badlanding and devastate the Crimson Fists force sent to stop them, Chapter Master Kantor is forced into a desperate defence of the Fists home planet, Rynn's World.
Space Marine Battles
omnibus

It contains:
Culling the Horde
Pedro Kantor: the Vengeful Fist
Rynn's World
The Few
Traitor's Gorge