Good Sister

Name: Good Sister
Rating: 7.72 (522 reviews)
ISBN: 9781250120960

THE INSTANT NEW YORK TIMES BESTSELLER

"A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators."—People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights, and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich, and shocking story of what families keep hidden.

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Published Mar 1, 2022

336 pages

Average rating: 7.72

522 RATINGS

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What Bookclubbers are saying about this book

✨ Summarized by Bookclubs AI

Readers say *Good Sister* by Sally Hepworth is a compelling story centered on twin sisters, Fern and Rose, told through alternating perspectives and d...

K Olson

Jan 14, 2025

8/10 stars

This is definitely a well done psychological family drama. I highly enjoyed Fern’s character and thought she was well written.

fromlizaslibrary

Oct 22, 2024

8/10 stars

I was pleasantly surprised by this one! I was a bit indifferent at the beginning, just not really feeling super attached to either sister and not really knowing where it was heading but by the end.. my jaw was on the floor.

Chrisforcab

Feb 16, 2026

9/10 stars

This was really good! I think the cover is really misleading. I think it would be a better cover of a young girl librarian in a library to get the better idea of what this book is about. I loved the twist and the ending but I felt like the lead up to the climax took a little too long and it was predictable how it was going to unravel so it didn’t need the last 30% to develop.

Mary Pat Holt

Feb 05, 2026

10/10 stars

Fantastic story about sisters and what can happen when there are secrets and lies. I don't want to give too much away. This story is so well written with well developed characters, even if one of them isn't likeable. It won't take you long to figure out who is the good sister. Things aren't always as they seem. I wouldn't call this a psychological thriller, rather a family drama with some surprises and twists. The story is told through 2 POV's; Fern and the diary of her twin sister, Rose. There is dysfunction between the mom and her daughters and an uncomfortable smothering between Rose and Fern. There is also a heartwarming romance between Fern and Wally. When Fern decides to help her sister have a baby, plans go sideways very fast. There is a childhood secret that Rose is holding over Fern but is it really how things happened? I'm not sure how a book can be heart-warming and wonderful and funny and heart-breaking and sad all at the same time but Sally Hepworth manages to to just that.

KelSpinski

Jan 09, 2026

8/10 stars

Great story about two sisters, twins. The twists and turns of their lives. One has a baby for for the sister who can't have children. And then the truth comes out from their past.