Erak's Ransom Ranger's Apprentice Series, Book 7.

The international bestselling series with over 5 million copies sold in the U.S. alone ! In the wake of Araluen's uneasy truce with the raiding Skandians comes word that the Skandian leader has been captured by a dangerous desert tribe. The Rangers - and Will - are sent to free him. But the desert is like nothing these warriors have seen before. Strangers in a strange land, they are brutalized by sandstorms, beaten by the unrelenting heat, tric...