Vertical Run

NEW YORK TIMES  BESTSELLER • “A breathless read” ( USA Today ) featuring “some of the most ingenious military-techno twists this side of Tom Clancy” ( San Francisco Chronicle ).   David Elliot is about to have a very bad day at the office. Each morning in his forty-fifth floor executive suite, David savors the quiet moments before the workday begins. Until today, when his boss walks in and aims a gun at him, murder glinting in his eye.   For the rest of the day, David wi