NEW YORK TIMES BESTSELLER • NAMED ONE OF THE BEST BOOKS OF THE YEAR BY CHICAGO TRIBUNE • A thrilling adventure of danger and deep-sea diving, historic mystery and suspense, by the author of Shadow Divers Finding and identifyin...

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...