Spray in the Wind — Barbara Cust

After the way her boyfriend Philip had let her down, Petra was glad to get away from London for the summer and take a job in Cornwall as secretary-companion to nice old Mrs. Ombersley. There was a slight drawback attached, in the person of Mrs. Ombersley's grandson Carey, whom Petra had always disliked -- but he was, after all, engaged to the glamorous Justine Baslow, so she needn't see very much of him. But then Philip turned up again, and Petra realised that she no longer cared about him. Could her change of feelings have anything to do with Carey, after all?