"Polar Shift," the sixth installment in the gripping NUMA Files series, co-authored by Clive Cussler and Paul Kemprecos, plunges readers into an exhilarating blend of science fiction and action. This adventure follows the exploits of the National Underwater and Marine Agency (NUMA) team, led by the intrepid Kurt Austin. When a radical environmentalist group triggers a phenomenon known as a polar shift, with the potential to cause catastrophic climatic changes, Austin and his team are thrust into a race against time to avert global disaster. Themes of environmentalism, technology's edge, and human resilience weave through this compelling narrative, promising a thrilling read.