"Well, Kitty?"

Catherine was lying on a couch near the open French window. She did not speak until Mark repeated,

"Well?"

Then she said,

"I think that far the finest chapter of your book——"

Mark smiled triumphantly.

"But it seems to me terribly immoral," she finished.

"Oh, that's all right, dear. So long as it is properly worked out, inevitable."

"It teaches——"

"Nothing, Kitty—nothing. It merely describes what is."