Synopsis: "When deep level oil fracking uncovers a vast subterranean sea, a crack team of cavers and scientists are sent down to investigate. Upon their arrival, they disappear without a trace. A second team, including sedimentologist Dr. Megan Stoker, are ordered to seek out Alpha Team and report back their findings. But Alpha team are nowhere to be found–instead, they are faced with something unexpected in the depths. Something ancient. Something dangerous." – excerpted from the product description that is found on this book's product page on Amazon.com as of 2014-05-12