A Stranger in the Family

*The No.1 Irish bestseller*

Winner of Crime Book of the Year at the Irish Book Awards

A Times Crime Book of the Year

The gripping new detective thriller from the Top Ten Sunday Times bestselling author

Every mother's worst nightmare …

When nine-year-old Rosalie Marshall vanished from her bed one summer night, her disappearance tore her family apart.

Now, sixteen years later, her mother Helena is found dead, her husband by her side. It looks like a straightforward murder-suicide but DS Maeve Kerrigan and DI Josh Derwent soon discover nothing about this case is straightforward.

The Marshalls have been keeping secrets. And someone is prepared to kill to hide the truth. Until Maeve finds out what happened to Rosalie, no one will be safe …

You don’t want to miss the book that everyone is talking about!

'With every breath in my body, I'm BEGGING you to read Jane Casey's books!' Marian Keyes

‘The ultimate just-one-more-chapter read’ Abigail Dean

‘Simply one of the best writers of detective fiction today’ Liz Nugent

'A cliffhanger that will make you clutch your pearls' The Times

‘A twisting, seductive, sensational thriller’ Chris Whitaker

‘The twist in the end was as surprising as it was satisfying’ Stig Abell

'As tense as piano wire, intricately plotted’ Neil Lancaster

‘The undisputed queen of simmering tension’ Sarah Hilary

'One of the very best authors writing today' Andrea Mara

'Smart, gripping and stylish' Catherine Ryan Howard

'Funny, sexy, and a character and a case that will break your heart' Jo Callaghan

‘This book hit the ground running and didn’t let up’ Sam Holland

'Blew my mind. One of my books of the year’ Jo Spain

'A slow-burn sizzle that would put romance writers to shame' Claire McGowan

'Add a frisson of romance and you have a devilishly potent mixture'Daily Mail

'Another gripping case' Heat

'This is Casey at her insightful best' Financial Times

'Reading a Jane Casey case is such a pleasure' Irish Independent

'A gripping and absorbing read' Irish Examiner

'A pleasingly twisty and taut thriller' Red Magazine

‘The Kerrigan series remains among the most satisfying reading experiences anywhere in crime fiction’ Irish Times

‘A masterclass in plot, suspense and tension’ Woman’s Weekly

A Stranger in the Family was the No.1 Irish bestselling book w/c 18/3/24

Jane Casey has written fifteen crime novels for adults and three for teenagers. A former editor, she is married to a criminal barrister who helps to ensure her writing is realistic and as accurate as possible.

This authenticity has made her novels international bestsellers and critical successes. The Maeve Kerrigan series has been nominated for many awards: in 2015 Jane won the Mary Higgins Clark Award for The Stranger You Know and Irish Crime Novel of the Year for After the Fire. She also won Irish Crime Novel of the Year in 2019 for Cruel Acts, which was a Sunday Times bestseller, and in 2024 for A Stranger in the Family. Jane’s standalone thriller The Killing Kind has been adapted for television.

Born in Dublin, Jane now lives in southwest London with her husband and two children.