The Good Sister is an exciting page-turner with an eerie vibe. While a bit predictable, the novel is well written with excellent character development - especially when it comes to our protagonist, Fern, who lives with a sensory processing disorder and works as a librarian. Fern is one of the most complex, engaging, and loveable protagonists I've read about in recent years, and I loved spending this book with her.

I don't want to share too much and risk spoiling this twisty, stay-up-all-night-frantically-turning-pages thriller, so I'll end by saying, simply, pick this one up if you're in the mood for a dark mystery that is also, somehow, incredibly endearing!