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About a Girl

Sarah McCarry - Author

Tally’s pursuit of a musician tied to her family past leads her to Maddy and a love that unsettles her assumptions. Family secrets and questions of identity sit alongside friendship and supernatural elements.

More about this book

Eighteen-year-old Tally is absolutely sure of everything: her genius, the love of her adoptive family, the loyalty of her best friend, Shane, and her future career as a Nobel prize-winning astronomer. There's no room in her tidy world for heartbreak or uncertainty or the charismatic, troubled mother who abandoned her soon after she was born. But when a sudden discovery upends her fiercely ordered world, Tally sets out on an unexpected quest to seek out the reclusive musician who may hold the key to her past and instead finds Maddy, an enigmatic and beautiful girl who will unlock the door to her future. The deeper she falls in love with Maddy, the more Tally begins to realize that the universe is bigger and more complicated than she ever imagined. Can Tally face the truth about her family and find her way home in time to save herself from its consequences?

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Book Analysis

At a Glance

Discover

Identity· ExplainedUncertainty· ExplainedPersonal growth· Explained

Consider

Family disruptionRelationships and intimacyRomance

Personalised Fit

Beyond the Cover

identityuncertaintypersonal growthadoptionfamily secretsbelonging

FictionNovel

Themes in Context

Identity and changing certainty

Tally begins sure of her abilities, family and future; a discovery and her experiences with Maddy challenge that ordered view.Exploratory / explanatory

How the book presents it: Tally’s changing view of herself is central to the story as a discovery and her experiences with Maddy unsettle her certainty.

Talk about: What does Tally come to see differently about herself as the story unfolds?

Family history and belonging

Tally’s adoptive family is important to her, while her absent birth mother and a musician who may connect to her past prompt a search for family truth.Provisional reading

Talk about: If Tally discovers more about her origins, how does that affect her sense of home?

Why It May Be Worth Reading

The story sets Tally’s confidence against uncertainty about her origins and future, offering a character-led way into questions of identity and how people revise their understanding of themselves.

What Deserves Attention

Tally’s birth mother left soon after her birth, and family secrets and their consequences are part of the story.

A Conversation Worth Having

If Tally learns new truths about her family, what helps her reconsider the story she has told herself about who she is?

Reading Approach

As you read, pause at the discovery that changes Tally’s plans and again when Maddy enters the story. These turning points can help track how her priorities and expectations shift.

Confidence & Basis

Theme indicators describe how the book presents a topic; they are not a verdict on the whole book or your family's values. Confidence reflects how much book-specific material was checked. Only part of the book information was available, so some details remain unconfirmed.

What remains unconfirmed

Identity and changing certainty: What Tally discovers and how she responds may be worth discussing as her understanding of herself changes.
Family history and belonging: Consider how Tally’s discoveries affect her sense of home and her relationships with family.

About a Girl: A Novel - Sarah McCarry - Google Books

Limited information

Checked: 1 October 2026.

Relevant to: Identity and changing certainty; Family history and belonging

About a Girl by Sarah McCarry | Open Library