of Evil in order to meaningfully reject it. He had fallen lower in circling. The Displacer pulse had strengthened. For some reason it irritated him. He drove higher on strong wings, circled again. Air rushed past him—a smooth, whispering flow, pierced by his beak, streaming invisibly past his sharp eyes, moving along his body in tiny turbulences that moved his feathers against his skin. It occurred to him—or rather struck him with considerable force—that he was satisfying a longing of his Pilot Caste that went far deeper than Piloting. He drove powerfully with his wings, felt tonus across his back, shot forward and up. He thought of the controls of his ship. He imagined flowing into them, becoming part of them, as he had so often done—and for the first time in his life the thought failed to excite him. No machine could compare with this! What he would give to have wings of his own! ... Get from my sight, Shapeless One! The Displacer must be planted, activated. All Grom depended on him. He eyed the building, far below. He would pass over it. The Displacer would tell him which window to enter—which window was so near the reactor that he could do his job before the Men even knew he was about. He started to drop lower, and the Hawk struck. t had been above him. His first inkling of danger was the sharp pain of talons in his back, and the stunning blow of a beak across his head. Dazed, he let his back go Shapeless. His body-substance flowed from the grasp of the talons. He dropped a dozen feet and resumed Sparrow-shape, hearing an astonished squawk from the attacker. He banked, and looked up. The Hawk was eyeing him. Talons spread again. The sharp beak gaped. The Hawk swooped. Pid had to fight as a Bird, naturally. He was four hundred feet above the ground. So he became an impossibly deadly Bird.