AN UNOFFICIAL ROSE (344 pp.)Iris MurdochViking ($4.95).
The scenery is familiar: a grand but now slightly shabby English country house; a London flat admirably fitted for infidelity; serene countryside across which one can hear an epigram drop at 50 paces.' The plot seems unpromising. Will bumbly Sexagenarian Hugh Peronett find Indian summer satisfactory with his renounced ex-mistress Emma now that his wife is dead? Will his caddish son Randall leave his long-suffering wife? And what of sensible, sixtyish Mildred Finch, who hasloved old Hugh from afar for more than 20 years?
Happily, the prestidigitator...