These classic accounts of exploration and discovery reveal the wartime history that resides at the bottom of the ocean in the wreckage of three battleships and a civilian cruise liner. Each book follows undersea explorer Robert Ballard and his team as they search for the wreck in question and then interpret the events that led to the vessel’s sinking. These are stories of heroism and loss that span fifty years or more, from the tragic sinking of each ship to its final underwater resting place. Titanic, Guadalcanal, Lusitania and Bismarck together have sold more than two million copies since they were first published.

ROBERT BALLARD, best known as the discoverer of the Titanic and the Bismarck, is one of the world’s leading marine geologists and has been instrumental in the development of new underwater exploration technology.