Don stepped into the small inner laboratory and closed the door quickly, unseen latches automatically clicking into place and a low hum denoting that the lethal field on the other side would burn any non-metallic object entering its range to a crisp.
He turned wonderingly to the three men watching him. Dr. Stone, his superior, a tall, stooped figure dejectedly standing to one side, hands clasped behind him. The other two were strangers, one an Army general and the other, by far the most cheerful in appearance, nattily attired in a trim business suit...FROM THE BOOKS.