Dropa background High in the mountains of Bayan Kara-Ula, on the boarders of China and Tibet - a team of archeologists were conducting a very detailed routine survey of a series of interlinked caves. Their interests had been excited by the discovery of lines of neatly arranged graves which contained the skeletons of what must have been a strange race of human beings; strange because they had unnaturally spindly bodies and large, overdeveloped heads. At first, it had been thought that the caves had been the home of a hitherto unkown species of ape. But as the leader of...