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The Girls Left Behind by Emily Gunnis Review: A Gripping Multi-Timeline Mystery Thriller
The Girls Left Behind is a mystery thriller by Emily Gunnis — the global bestselling author of The Girl in the Letter — that weaves together three timelines spanning World War Two, the 1970s/80s, and the 2000s to unravel a decades-long cover-up rooted in a notorious children's home in Sussex. Published by Headline Review, it centres on Superintendent Jo Hamilton, a police officer days from retirement whose discovery of buried bones pulls her back to a tragic unsolved case involving the disappearance of a teenage girl. Readers drawn to emotionally charged crime fiction with layered historical secrets will find a densely plotted, twist-driven narrative built around themes of sisterly love, institutional silence, and the price of buried truth.
LuvemBooks Verdict
Best for
Readers who love emotionally driven historical crime fiction built around institutional wrongdoing — children's homes, cover-ups, and silenced girls — and who are willing to invest in a large ensemble cast tracked across more than half a century of interconnected timelines.
Worth it if
You prize layered, multi-era storytelling where personal grief and professional investigation are inseparable, and you want twists that resist easy prediction alongside genuine emotional weight.
Skip if
You prefer a lean, single-timeline procedural with a tight focus — the broad temporal scope and large cast demand significant early investment that may test patience before the threads cohere.
What readers & critics say
Sandra Danby at sandradanby.com acknowledges the triple-timeline framework is "a complicated mixture to handle" with many personalities and twists to manage, while the audiobook reviewer at NetGalley describes the novel as "well plotted, fast paced" with "several twists" and praises Gunnis's handling of three distinct female protagonists. The reviewer at goodbadandunread.com, awarding a Grade B, found the wartime strand less engaging than the more recent timelines, and mumcreviews.blogspot.com highlights Gunnis's extensive research as a key payoff, noting "I didn't find any lulls in the story."
Sources: sandradanby.com, netgalley.com, goodbadandunread.com, mumcreviews.blogspot.comLook inside the book
Preview the actual pages, via Google BooksIn This Review
- What Works & What Doesn't
- What the Novel Is and What It Sets in Motion
- The Triple-Timeline Architecture
- Gunnis's Craft and Research
- Reception and Place in Gunnis's Career
- Who This Book Is For
What Works & What Doesn't
What Works
- Ambitious triple-timeline structure spanning World War Two, the 1970s/80s, and the 2000s rewards readers who enjoy layered historical mysteries
- Central protagonist Jo Hamilton is given personal as well as professional stakes, with her mother Olive's dying secrets deepening the investigation's emotional core
- Described by reader reviewers as well plotted and fast paced, with twists that resist easy predictability
- Published by Headline Review with Gunnis's established track record as the global bestselling author of The Girl in the Letter
- Themes of institutional child abuse, sisterly love, and decades-long cover-ups are woven into a coherent crime narrative rather than treated as separate social commentary
What Doesn't
- The triple-timeline framework introduces a large cast and multiple plot threads that reviewer Sandra Danby flags as a complicated mixture, which may challenge readers who prefer a leaner, single-perspective narrative
- The broad temporal and character scope means early chapters require significant investment before the timelines begin to cohere and pay off
What the Novel Is and What It Sets in Motion

The Triple-Timeline Architecture
Gunnis's Craft and Research
Reception and Place in Gunnis's Career
Who This Book Is For
Frequently Asked Questions
Sources & Further Reading
The key facts and claims in this review are grounded in the retrieved, verified sources listed below.
- Cited in this review
- 1
hachette.co.uk
- 2
waterstones.com
- 3
barnesandnoble.com
- Further reading
- 4
bookoutlet.com
- 5
- 6
karensbookbag.co.uk
- 7
netgalley.com
- 8
goodbadandunread.com
- 9
cookiebiscuit.co.uk
- 10
goodreadingmagazine.com.au
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