Substitute Bride — Lynna Cooper

Somehow Rhoda had persuaded her twin sister Joan to switch identities while she finished urgent business in New York. The whole idea was crazy, though, for Joan would have to convince handsome Ray Slater, Rhoda's fiancé, and their friends down in Florida that she was truly his bride-to-be! Joan should have known better than to get involved, but, of course, she hadn't planned on falling in love with Ray herself. And suddenly she almost hoped that Rhoda wouldn't get back in time to switch places before the wedding…