In the thrilling new from the bestselling grand master of adventure, an alarming rise in the world's sea levels- sends Kurt Austin, Joe Zavala, and the rest of the NUMA scientific team rocketing around the globe in search of answers. What they find at the bottom of the East China Sea, is a diabolical plan to upset the Pacific balance of power- and displace as many as a billion people. The thrilling #1 New York Times-bestseller