For one shattering instant, the girl felt as if her reason was taking wings. She remained utterly still as if in the grip of paralyzing hysteria. But her training saved her. Slowly she turned and gazed into the strangely human features of the metal giant. Tread On Those Who Tread On You Shirt At close quarters she noted the smooth beryloid construction of the superb outer shell; the indestructible optics of non-abradable, chemically inert crystal with microscopic adjustments. But most important of all, she sensed that here was a brain which had attained full growth—powerful, experienced and … organic!