Moon Without Stars — Anne Hampson

Well, Jill thought, it was no use crying over the past, she'd had her chance with the handsome Dean Lester and she'd muffed it.

If only she'd known that the strange hostility and antagonism that grew up between them could change to love. For, she had to acknowledge, she had fallen in love with Dean.

But now, there was Sylvia de Courcy. And whatever Dean's feelings were, Sylvia had made it quite plain that she intended to marry him!