In the northern wasteland of Jimburgh, a mining settlement has been sabotaged by barbarians. King Tybilt suspects there is more at play. He asks Jana Aliston, the powerful fire mage, to investigate.Jana uncovers The Taconite Problem, a complex conspiracy that has her questions her loyalty to her friends, kingdom, and humanity itself.The Taconite Problem is the fourth book in The Dragon Kaseraak series.