A brother and sister struggle to survive a harrowing trip across Death Valley--the most dangerous part of the Mojave Desert and the hottest spot in North America--in this riveting tale of historical fiction, part of the Survivors series. California, 1849: Jess, Will, and their father are in grave danger--separated from the rest of their west-bound party, their wagon is useless with a broken axle, and Pa is seriously ill from an injury that Will feels is his fault. In a valiant attempt to save their family, Will and Jess set off on foot over the endless sands to find help. Each day of their journey brings a new peril, but nothing more frightening than the constant, overpowering thirst that muddles their minds and threatens their very will to survive. With so much at stake, can Will and Jess win their desperate battle with the unrelenting desert?