With each new adventure, the popularity of Clive Cussler's NUMA® Files novels grows, and with each new release, "Cussler's multitude of fans arrive at the table expecting a roiling stew of seafaring adventure, exotic travel destinations, cutting-edge science [and] a splash of romance." (Publishers Weekly) NAVIGATOR will surpass these expectations, as Kurt Austin, Joe Zavala and their colleagues return to face their toughest case yet.