Primordial Threat

*** USA Today bestseller *** The year is 2066 and the world is oblivious to the threat it faces. The fate of humanity lies on the shoulders of Burt Radcliffe, the new head of NASA's Near Earth Object program. He's been rushing the completion of DefenseNet, a ring of satellites that are both part of an early-warning system as well as the means to eliminate incoming threats. Yet Burt knows that despite the world's best efforts, nothing can be done about the alert he's just received. Coming ou...