CHAPTER 35Just after they had passed the door leading into the second floor, footsteps from one of the landings above made Mara stop and turn back down the stairs. Without saying anything, she pointed over the railing to the flight of stairs below them. Sam and Cam turned and walked back down. Stepping gingerly, so as not to alert whoever was above, Mara followed. When they arrived at the second floor, she noted that the door faced in the opposite direction from the door on the first floor. She nodded, and Cam opened it. Mara was shocked at what she saw. Unlike the unremarkable rooms and halls of the first floor, the second was wide open and filled with massive translucent cubes twenty feet tall and filled with some kind of swirling iridescent fluid. From the base of each cube, a clear p

