A MARRIAGE OF CONVENIENCEAnne GreenDutton ($2.50).
Literarily speaking, Brother Julian and Sister Anne Green are not on speaking terms. Unpopular Brother Julian writes serious psychological tragedies, about as intelligent and depressing as they come. Best-selling Sister Anne dashes off entertaining stuff about far-from-highbrow worldlings. Her conversational style is growing on her to such an extent that she no longer bothers very much to punctuate: " 'We are heading for the Luxembourg gardens, will you sit there with me for a moment, I'll drive you home, I bet that you dine at...