For seven books, Clive Cussler has dazzled readers with the aspine-tingling adventuresa ("Chicago Tribune") of Kurt Austin, Joe Zavala, and the rest of the NUMAA(R) Special Assignments Team, but in "Medusa" the NUMAA(R) team faces what may be its most perilous mission of all. In the Micronesian Islands, a top secret, U.S. governmenta sponsored undersea lab conducting vital biomedical research on a rare jellyfish known as the Blue Medusa suddenly . . . disappears. At the same time, off Bermuda, a bathysphere is attacked by an underwater vehicle and left helpless a half mile below the surface, its passengersaincluding Zavalaaleft to die. Only Kurt Austinas heroic measures save them from a watery grave, but, suspecting a connection, Austin puts the NUMAA(R) team on the case. He has no idea what heas just gotten them all into. A hideous series of medical experiments . . . an extraordinarily ambitious Chinese criminal organization . . . a secret new virus that threatens to set off a worldwide pandemic. Austin and Zavala have been in tight spots before, but this time itas not just their own skins theyare trying to saveaitas the lives of millions. Filled with the high-stakes suspense and boundless invention unique to Cussler, "Medusa" is the most thrilling novel yet from the grand master of adventure.