Buried Secrets (Nick Heller)When Alexa Marcus, the teenage daughter of a billionaire hedge fund titan, is kidnapped, it s up to family friend and private spy Nick Heller a former intelligence operative trained in the Special Forces to find her before time runs out. Alexa has been buried alive, a videocam trained on her night and day, her terror streamed live over the Internet. Who are her cunning and ruthless captors and what do they want? And why is there no ransom request?