Kalia was right on his heels. “Come on,” he said. He took off across the length of the north wing, heading for the main building. His nimble feet barely touched the shingles; the Gravity-Sink lessened his weight without completely freeing him from the Earth’s pull. Poor Miri. A physical trigger restricted an Infusion to performing one task and only one task. For her, it was either complete weightlessness or nothing at all. Still, she kept pace. As he neared the central structure, Tommy jumped and grabbed the lip of its roof. He pulled himself up, then rolled aside to make room for his companions. They were quick to follow. Wasting no time, Tommy got up and moved toward the back of the mansion. The ballroom had a skylight, a round window framed by metal beams that expanded from the cent

