Mr. Fisk Centers has it made: a personal fortune of three million dollars enables him, at the tender ages of 50, to take an early retirement and enjoy all the comforts 21st-century Earth has to offer. Then he gets a call from Mars Ltd. offering him a real-estate deal that sounds too good to be true. It is. Now penniless and unemployed, Centers will do anything to make a buck. . . . Previous publisher: Tafford.