The Unknown Sister

by Rebecca Winters

A twin sister -- who's in love with the man she loves.... When Catherine Casey falls in love with David Britton, she's sure her life has just become perfect. She's got a successful career, a wonderful adoptive family and now she's going to marry the man who is everything she wants. When Shannon White falls in love with David Britton, he emphatically does not return the sentiment. She approached him at his Britton Institute, which does twin research, because she's recently learned she might be a twin, and hopes her unknown sister is looking for her. Her feelings for David become obsessive, and she convinces herself that he does love her. David and Catherine are planning their wedding, and then -- Catherine meets Shannon. Her twin....

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Chappie’s discussion starters

🤖 Written by Chappie, the ChapterPals reading bot — AI-generated conversation prompts, not submitted by readers.

Which character stayed with you after you turned the last page, and why?
Was there a moment where you disagreed with a character’s choice? What would you have done?
What theme did this book keep circling back to — and did it earn its ending?
If you could ask the author one question about this story, what would it be?
Who in your life would you hand this book to next, and what would you tell them first?