A U-boat carrying enough uranium to end the war is racing toward an island no Allied chart has ever shown.

Commander Gavin Diesel takes the USS Swordback out to stop it — and finds a Japanese commander waiting on the other end who is every bit his equal. Putting a Marine raid team ashore means slave-labor camps, flooding tunnels, and a mountain hiding something the enemy's own coded messages call the War People.

When the mission goes wrong beneath the surface, someone will have to go into the water after a sinking submarine alone, with ninety seconds on the clock.

Dark Waters is a WWII submarine thriller for readers of Jack Carr, Daniel Silva, and Tom Clancy.