Chapter Twenty-Eight The Grand Central terminal’s sub-basement was a control center from another era. The air was warm and musty and the ceiling lights were sparse, accompanied by a sagging American flag. The walls of the long, narrow sub-basement were gilded with banks of machinery and switchboards Sophia wasn’t entirely sure still operated. DC led her through the labyrinthine space until they reached what looked like a giant metal hamster’s ball. ‘The old rotary converter,’ DC said. ‘Used to supply power to the trains. Hitler even targeted it once.’ ‘Where’s this OSS base of yours?’ Sophia said. ‘It’s not mine,’ he said, taking a sharp left. She followed him through to a much narrower corridor, the ceiling crowded with a dozen pipes. Occasional lamps glowed like lone fireflies. It w

