CHAPTER 22On her way to the first floor, Mara slowed her pace as the sound of grinding chains rose from below. As she passed the second floor landing, she crouched and peeked through the balusters to find what made the racket. She couldn’t see anything other than a blank wall, so she skulked down a few steps, keeping her head below the railing. After a half-dozen steps, the doors to the fabrication shop came into view. They were open. The metallic rumble came from beyond them. Now that she was closer, she heard Ping’s raised voice, still drowned out by the noise.
As she got lower, she could see Bruce, Ping and Sam standing in the doorway. Since no danger was apparent, she straightened and took the rest of the steps to the ground floor. Approaching them, she asked, “What in the world is go
