Meet several scientists who study the animals and environment at the bottom of the ocean floor.

New York Times Bestseller 
In the tradition of Jon Krakauer’s Into Thin Air and Sebastian Junger’s The Perfect Storm comes a true tale of riveting adventure in which two weekend scuba divers risk everything to solve a great historical mystery–and make history themselves.
For John Chatterton and Richie Kohler, deep wreck diving was more than a sport. Testing themselves against treacherous currents,...

"From New York Times bestselling author Susan Casey, an awe-inspiring portrait of the mysterious world beneath the waves, and the men and women who seek to uncover its secrets For all of human history, the deep ocean has been a source of wonder and terror, an unknown realm that evoked a singular, compelling question: What's down there? Unable to answer this for centuries, people believed the deep was a sinister realm of fiendish creatures and deadly...

On May 7, 1915, just nine months into World War I, one of the largest and fastest luxury passenger liners of its day was en route home to England when a German sub blew it out of the water. Of the 1,959 people aboard the Lusitania, nearly two-thirds died. Many men, women and children were trapped inside as the great ship sinks in just eighteen minutes. Many historians believe the sinking of the Lusitania is more tragic than the Titanic disaster, because...

Details the history of the U.S. Navy submarine Tang in the Pacific theater of World War II, the explosion that led to its sinking, the ordeal of its surviving crew members and their capture by the Japanese, followed by months of brutal captivity.