01214cam a2200277 4500 599032922 TxAuBib 20140922120000.0 140610s2014||||||||||||||||||||||||eng|u 2014022286 9780061784811 HRD $27.99 0061784818 HRD $27.99 TxAuBib Rollins, James, 1961- The 6th Extinction : a Sigma Force novel / James Rollins. First edition. HarperCollins, 2014. New York : William Morrow, An Imprint of HarperCollinsPublishers, [2014] xvi, 426 pages : illustrations, maps ; 24 cm. Sigma Force novel, A ; 10 When a remote military research station is decimated, Commander Gray Pierce and the Sigma Force must solve a mystery from Antarctica's distant past using an ancient map that leads them to a new form of death, which could result in mankind's extinction. 20140922. Special operations (Military science) Fiction. Suspense fiction. A Sigma Force novel ; 10.