The Slaves of Socorro is the fourth book in the Brotherband series, from the author of the internationally bestselling Ranger's Apprentice. But an enemy from their past returns, causing the Herons to be thrown into a dangerous quest to free captured Araluans from the slave market in Socorro.

The Slaves of Socorro is the fourth book in the Brotherband series, from the author of the internationally bestselling Ranger's Apprentice. But an enemy from their past returns, causing the Herons to be thrown into a dangerous quest to free captured Araluans from the slave market in Socorro.