A dramatist, former music editor of Time. Mr. Kubly, whose first book- American in Italy was a National Book Award winner writes here, in this collection of 16 short stories, of the many moods, faces and poses of love. The result is a variously cool and turbulent document of an age of anxiety. Several of the stories are concerned with Americans in Europe -- with that set in which a stance of knowledgeable fatigue is de rigueur -- film stars playing saints, dowagers in pursuit of young men, gigolos. There are the vacationing school teachers involved with adolescent boys; bourgeoisie and peasants willingly and unwillingly caught up in an imported Coca Cola Culture. The stories, in conventionally worked-out form, lucidate the rasping pretentiousness of love evoked through pity, malicious hedonism in the guise of friendship, the eroding of character in love-turned hate. Its urbane poise, verbal sheen makes this a work of high competence.