Knights of the Inner Sea (2012)

Publisher's blurb:

Answer the call to arms with the Pathfinder Player Companion: Knights of the Inner Sea! Join the fray as a noble Knight of Ozem, crush the servants of anarchy as a merciless Hellknight, slay the demons of the Worldwound as a veteran Mendevian Crusader, or take up the banner of any of Golarion’s most esteemed knighthoods. Knights of the Inner Sea reveals the most stalwart martial orders of the Pathfinder Campaign Setting, with details supporting crusaders of any class and new options for all manner of knights—be their armor shining or jet black. Recruit a squire customized to your individual quest, make your steed more than just a horse with new mounts and equine breeds, adopt a knightly code of conduct to give your quest a cause, or take up a diverse array of spells and magic items designed empower knights—or destroy them! Whether you’re an armored champion, a militant magic-user, or a slayer from the shadows, launch your character’s crusade with the Pathfinder Player Companion: Knights of the Inner Sea!

Each monthly 32-page Pathfinder Player Companion contains several player-focused articles exploring the volume’s theme as well as short articles with innovative new rules for all types of characters, as well as traits to better anchor the player to the campaign.