Lynette Sommer ends her carefully calculated PowerPoint presentation in the Hancock Tower with a pink slip shoved across her desk and a standing order to vacate the premises immediately. Richard Lancaster, III, races through The Pru with a tie stuffed down the front of his khakis and an overzealous security guard hot on his trail. At the Boston Public Library, Carl Razer finds himself in the midst of a manic encounter from a teenage book enthusiast who has let the glitter and glamor of Twilight destroy what is left of his brain cells. And then it gets progressively worse, as three homegrown terroristsMatthew, Mark, and Johndestroy three vital Boston landmarksThe Hancock Tower, the Pru, and the Boston Public Librarywith the drop of a backpack and the flick of a switch