The Zero Hour

When an ominous, digitally encrypted telephone call is intercepted by the NSA's spy satellites high over Switzerland, FBI Special Agent Sarah Cahill - irreverent, outspoken, a brilliant counterterrorism expert, a divorced mother of an eight-year-old boy - is urgently summoned to New York to investigate an imminent terrorist attack on lower Manhattan. Her investigation immediately turns into the desperate pursuit of a highly sophisticated and charismatic terrorist operative, known only by the code name Zero. Sarah must direct an intensive, absolutely secret manhunt for an exceptionally…