Ninon stretched. And purred, almost. There was something lazily catlike in her flexing; languid, yet ferally alert. The silken softness of her couch yielded to her body as she rubbed against it in sensual delight. There was almost the litheness of youth in her movements. It was true that some of her joints seemed to have a hint of stiffness in them, but only she knew it. And if some of the muscles beneath her polished skin did not respond with quite the resilience of the youth they once had, onl