More of Creasey's wearever character, Dr. Palfrey, familiarly known as Sap, who contends against yet another holocaust -- this time the unexplained infertility of the women of the world. A feral waif takes him to ""The Master"" up there on a satellite where, but for Dr. Palfrey, he would gain control of the world. Palfrey has by now taken care of every environmental menace we can think of but one -- ecolitter