if you saw them on amazon, they're probably the graphic novels
Order of Sojurn trades:
1 From the Ashes (Sojourn Prequel, 1-6; w Ron Marz; a Greg Land, Drew Geraci). [From CrossGen Comics: The dreaded warlord Mordath has returned from the grave, gathered his troll armies and crushed the Five Lands under his heel. Only one woman, the archer Arwyn, can end his evil reign. Driven by vengeance, Arwyn vows to bring about the despot's downfall. But Mordath can be defeated only by gathering the scattered fragments of a legendary weapon, forcing Arwyn to undertake an epic quest. With a rogue adventurer and a mysterious wise woman as her companions, Arwyn sets out to destroy ultimate evil.]
2 The Dragon's Tale (7-12; w Ron Marz; a Stuart Immonen, Greg Land, Drew Geraci, John Dell, June Brigman). [From CrossGen Comics: The archer Arwyn has taken up the quest for the Five Fragments in order to destroy the undead despot Mordath. Now her quest has led her to an encounter with a beast thought long vanished from the Five Lands - a huge dragon. Will the fearsome creature prove to Mordath's doom... or Arwyn's?]
3 The Warrior's Tale (13-18; w Ron Marz; a Greg Land, Aaron Lopresti, Jay Leisten, Roland Paris). [From CrossGen Comics: Evil's shadow lengthens as the undying Mordath tightens his grip on the Five Lands. The lone hope of ending his tyranny is the archer Arwyn, whose quest for the mythic Five Fragments continues in the mysterious land of Ankhara, home to a race of winged warriors. As Arwyn and her companions are drawn into a bloody rebellion against Mordath's troll armies, Ankhara's tombs disgorge ancient secrets and dusty death!]