A deadly toxic compound in the middle of the African desert is killing thousands of people and threatening to extinguish marine life in the world's seas. As Dirk Pitt crosses the Sahara to uncover an unholy conspiracy£¬ he discovers the truth about Kitty Mannock£¬ an Australian pilot missing since 1931£¬ and an incredible secret held in a Confederate ironclad...An explosive£¬ high-voltage audio experience£¬ Sahara takes Dirk Pitt on his most dangerous journey.