We stopped, and turned our merged perceptions to face one wall. Buddy laid both palms against it, and the two blocks she touched glowed brightly. "Getting warm," she murmured. With no warning, as though it were the most natural thing in the world-and in this world, it might well be-we lifted from the ground and floated straight upward. As we climbed, Buddy touched one block after the other, coaxing each to a brilliant glow under her fingers.