Slaves of Socorro (Brotherband Chronicles Series #4)

From the author of the mega-selling Ranger's Apprentice!
 
Hal and his fellow Herons have returned home to Skandia after defeating the pirate captain Zavac and reclaiming Skandia's most prized artifact, the Andomal. With their honor restored, the Herons turn to a new mission: tracking down an old rival turned bitter enemy. Tursgud—leader of the Shark Brotherband and Hal's constant opponent—has turned from a bullying youth into a pirate and slave trader. After Tursgud captures t…