There are 19 books in the Duncan Kincaid/Gemma James series. The newest book is A Killing of Innocents which came out in 2023.

1
A Share in Death

Book cover of A Share in Death
In this “thoroughly entertaining mystery with a cleverly conceived and well-executed plot” (Booklist), Edgar Award-nominated author Deborah Crombie introduces us to Duncan Kincaid of Scotland Yard and his partner, Gemma James.

A week's holiday in a luxurious Yorkshire time-share is just what Scotland Yard's Superintendent Duncan Kincaid needs. But the…
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2
All Shall be Well

All Shall be Well
Scotland Yard Superintendent Duncan Kincaid and his able sergeant, Gemma James, investigate the mysterious death of Kincaid's neighbor, Jasmine Dent, who received a lethal dose of morphine.

3
Leave the Grave Green

Leave the Grave Green

When a body is found floating in the Thames river lock one damp and dreary morning, Superintendent Duncan Kincaid and Sergeant Gemma James are summoned from Scotland Yard to the Chiltern Hills outside London. The dead man is Connor Swann, son-in-law of London's most renowned opera personalities. And prints on…

4
Mourn Not Your Dead

Mourn Not Your Dead

The murder at Holmbury St Mary was not one that Superintendent Duncan Kincaid of Scotland Yard would relish investigating. A man has been beaten to death in his own home. A man who just happened to be Commander Alastair Gilbert of the Metropolitan Police...

Only adding to Kincaid's problems are…

5
Dreaming of the Bones

Book cover of Dreaming of the Bones
Five years ago, the talented Cambridge poet Lydia Brooks apparently committed suicide. Now Victoria McClellan, is writing a biography about the renowned Lydia. However as she digs deeply into the background of the deceased poet, Vic begins to question whether Lydia actually killed herself or was murdered. She turns to…

6
Kissed a Sad Goodbye

Kissed a Sad Goodbye

In the past: It is September 1939 and thousands of children are being evacuated from London. Among them 12-year-olds Lewis Finch and William Hammond, both billeted on the Surrey estate of the formidable Regina Burne-Jones. Both become allies, then friends, and thus begins a story of choice and betrayal the…

7
A Finer End

A Finer End
Jack Montfort grew up in the shadow of Glastonbury Tor in a town revered as the mythical burial place of King Arthur, and, according to New Age followers, a source of strong druid power. Montfort has little more than a passing interest in the history of the area - until…

8
And Justice There is None

And Justice There is None

On a winter's evening in Notting Hill, Dawn Arrowood drives home after a doctor's appointment confirming her pregnancy. She is terrified. Her older husband has made it clear that he wants no children, and Dawn is not even sure that the child is his. But as Dawn arrives home, she…

9
Now May You Weep

Now May You Weep

When Detective Inspector Gemma James is persuaded by her friend, Hazel, to take a trip to the misty Scottish Highlands, she jumps at the chance. But upon their arrival it becomes clear that Hazel has been concealing a dangerous secret.

At their remote B&B the pair encounter Donald Brodie, the…

10
In a Dark House

Book cover of In a Dark House

A corpse, burned beyond recognition, has been uncovered in a vacant warehouse in Southwark . . . A young, beautiful hospital administrator has vanished without a trace, her past a mystery to even her closest friend . . .

And across the City, within an old, dark, rambling house, a…

11
Water Like a Stone

Book cover of Water Like a Stone

When Superintendant Duncan Kincaid takes Gemma, Kit and Toby to visit his family in Cheshire, Gemma is soon entranced with Nantwich town's pretty buildings and the historic winding canal, and young Kit is instantly smitten with his cousin Lally.

But their visit is marred when, on Christmas Eve, Duncan's sister…

12
Where Memories Lie

By Deborah Crombie , Deborah Crombie ,

Book cover of Where Memories Lie

Gemma, Duncan, and the boys are back in their Notting Hill house and enjoying a quiet spring in London when Gemma receives a plea for help from her friend and neighbor, Erika Rosenthal.

Erika has never shared much of her past, other than telling Gemma that she and her husband…

13
Necessary as Blood

Book cover of Necessary as Blood

Once the haunt of Jack the Ripper, London's East End is a vibrant mix of history and new ideas, but the trendy galleries of Brick Lane disguise a seedy underside where unthinkable crimes bring terror to the innocent.

Artist and young mother Sandra Gilles disappears without trace after leaving her…

14
No Mark Upon Her

Book cover of No Mark Upon Her

Olympic rowing hopeful and senior Metropolitan Police officer DCI Rebecca Meredith goes out alone to train on the river in Henley on a dark afternoon in late October - and doesn't return. When a desperate search by the police and a K9 team reveals the possibility of foul play, Scotland…

15
The Sound of Broken Glass

Book cover of The Sound of Broken Glass

Scotland Yard detectives Duncan Kincaid and Gemma James are on the case in Deborah Crombie’s The Sound of Broken Glass, a captivating mystery that blends a murder from the past with a powerful danger in the present.

When Detective Inspector James joins forces with Detective Inspector Melody Talbot to solve…

16
To Dwell in Darkness

Book cover of To Dwell in Darkness

In the tradition of Elizabeth George, Louise Penny, and P. D. James, New York Times bestselling author Deborah Crombie delivers a powerful tale of intrigue, betrayal, and lies that will plunge married London detectives Duncan Kincaid and Gemma James into the unspeakable darkness that lies at the heart of murder.…

17
Garden of Lamentations

Book cover of Garden of Lamentations

Scotland Yard detectives Duncan Kincaid and Gemma James are drawn into separate investigations that hold disturbing—and deadly—complications for their own lives in this powerful mystery in the bestselling series.

On a beautiful morning in mid-May, the body of a young woman is found in one of Notting Hill’s private gardens.…

18
A Bitter Feast

Book cover of A Bitter Feast

"Crombie’s characters are rich, emotionally textured, fully human. They are the remarkable creations of a remarkable writer."—Louise Penny

“Nobody writes the modern English mystery the way Deborah Crombie does—and A Bitter Feast is the latest in a series that is gripping, enthralling, and just plain the best.”   — Charles Todd,…

19
A Killing of Innocents

Book cover of A Killing of Innocents

New York Times bestseller Deborah Crombie returns with a new novel featuring Scotland Yard detectives Duncan Kincaid and Gemma James as they race to solve the shocking murder of a young woman before panic spreads across London.

On a rainy November evening, trainee doctor Sasha Johnson hurries through the evening…