CHAPTER XIII A DESPERATE DEED E-Med crossed the tower chamber toward Tara of Helium and the slave girl, Lan-O. He seized the former roughly by a shoulder. "Stand!" he commanded. Tara struck his hand from her and rising, backed away. "Lay not your hand upon the person of a princess of Helium, beast!" she warned. E-Med laughed. "Think you that I play at jetan for you without first knowing something of the stake for which I play?" he demanded. "Come here!" The girl drew herself to her full height, folding her arms across her breast, nor did E-Med note that the slim fingers of her right hand were inserted beneath the broad leather strap of her harness where it passed over her left shoulder. "And O-Tar learns of this you shall rue it, E-Med," cried the slave girl; "there be no law in Man