Kurt Austin and the NUMA crew face swarms of deadly bio-hacked sea locusts, a runaway AI system, and a sinister cult in the latest novel in the #1 New York Times-bestselling series created by the “grand master of adventure” Clive Cussler.

When Kurt Austin and Joe Zavala investigate a mass stranding of aquatic life in the Indian Ocean, they accidentally uncover a much deeper mystery. A strange figure soon steals NUMA’s findings, forcing a high-speed chase—someone really didn’t want them examining those dead whales. But who, and why?

A cryptic text through the NUMA satellite network makes things still stranger: these odd phrases and numbers look like NUMA codes. But who could be tantalizing the crew with such specific knowledge of their tech? Are they being helped by an old friend, or lured into a trap by a traitor who knows a little too much about NUMA’s inner workings?

Kurt, Joe, and even Max, the agency’s supercomputer, will have to investigate like never before as they decrypt data, infiltrate a cult of cloned men, and prepare for a battle on two very different planes: one physical; one digital. The aquatic stranding was just the beginning of a sinister plan concocted by a mind more brilliant than any they’ve ever faced—the mind of a machine. A new, terrifying world order is being plotted. First marine ecosystems will be devastated, then the entire globe’s…Unless the NUMA crew can stop this code of desolation.

About the Author

Clive Cussler was the author of more than eighty books in five bestselling series, including Dirk Pitt�, NUMA Files�, Oregon Files�, Isaac Bell�, and Sam and Remi Fargo�. His life nearly paralleled that of his hero Dirk Pitt. Whether searching for lost aircraft or leading expeditions to find famous shipwrecks, he and his NUMA crew of volunteers discovered and surveyed more than seventy-five lost ships of historic significance, including the long-lost Civil War submarine Hunley, which was raised in 2000 with much publicity. Cussler passed away in February 2020.

Graham Brown is the author of Black Rain, Black Sun, Clive Cussler Condor's Fury, and Clive Cussler's Dark Vector, and the coauthor with Cussler of Devil's Gate, The Storm, Zero Hour, Ghost Ship, The Pharaoh's Secret, Nighthawk, The Rising Sea, Sea of Greed, Journey of the Pharaohs, and Fast Ice. He is a pilot and an attorney.

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