Autumn opened the window in her apartment, adjusted the bag on her back, and leaned out. Over the top of the window was a ledge she could grip on. There was always a surge of fear when she did this. No safety net, four story drop onto concrete. She was climbing onto the roof. Always a little thrill of adrenaline.

Once she was up there, she found a relatively safe place to sit and pulled out her laptop. Usually, she came up here to look at the stars, or to look out across the city. ...