The novel did not receive much attention within the first few months of publishing, but gradually gained popularity, entering the
New York Times Hardcover Fiction Best Seller List on October 5, 2025. including eight weeks at the top of the list. It also reached the top of the
Combined Print & E-Book Fiction List on February 1, 2026. The novel won a
PEN/Hemingway Award for Debut Novel. It was included on
The Washington Post's list of 50 notable works of fiction from 2025,
Barnes & Noble's Best Fiction of 2025 list, and
Amazon's Best Books of 2025. It was shortlisted for a
Women's Prize for Fiction. It was nominated for a
Goodreads Choice Award for Fiction, Debut Novel, and Audiobook. It was also nominated for an
Audie Award for Ensemble Performance and
Fiction. It was a
BBC Radio 2 Book Club pick. The novel received universal acclaim upon its release.
Ann Patchett praised the novel, calling it "really beautiful" and "a cause for celebration".
Kirkus Reviews called the novel at times "thoughtful" and at other times "laugh-out-loud funny". Sarah-Ruth Tasko of
Library Journal called each letter "a compelling monologue that communicates raw emotion and grief alongside humor and tart observations".
Publishers Weekly called the novel "charming". Elisabeth Egan of
The New York Times featured it as her favorite hidden gem book of 2025.
Anne Griffin called the novel "a masterclass in how to exquisitely put words on human frailty" in her review for
The Irish Times. Laura Hackett of
The Times said that the novel "breathes fresh life" into the
epistolary novel format and called the prose "a joy to read". Chris Hewitt of
The Minnesota Star Tribune called the novel "an absolute charmer".
Amazon editor Abby Abell said she "fell for Sybil immediately." == Adaptation ==