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Captain Lacey Mysteries Books in Order

Part ofAshley Gardner Books in Order

This page lists the Captain Lacey Mysteries by Ashley Gardner in order, with quick summaries, character background, and easy start-here guidance.

Last updated: July 2, 2026

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Captain Lacey Mysteries books in publication order

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20 books

1

The Hanover Square Affair

by Ashley Gardner

2003

Back from the Napoleonic Wars, Gabriel Lacey returns to London exhausted and adrift. A missing girl pulls him into Mayfair corruption, murder, and the city's underworld, giving the former cavalry captain a dangerous new purpose.

2

A Regimental Murder

by Ashley Gardner

2004

When Gabriel Lacey rescues a mysterious woman on a London bridge, he is drawn into the suspicious death of her colonel husband. The case reaches back to the Peninsular War and puts both Lydia Westin and Lacey in danger.

3

The Glass House

by Ashley Gardner

2004

Asked to identify a murdered young woman, Lacey vows to find her killer. His search leads from the Thames to a notorious gaming hell, where buried secrets and James Denis's schemes make the case far deadlier than it first appears.

4

A Body in Berkeley Square

by Ashley Gardner

2005

A dandy is stabbed at a grand Berkeley Square ball, and Lacey's former commander becomes the prime suspect. To clear the stubborn colonel, Lacey must untangle lies that stretch back to the Peninsular War.

5

The Sudbury School Murders

by Ashley Gardner

2005

Lacey takes a quiet post at a Berkshire boys' school and quickly learns he was hired for more than clerical work. Pranks turn deadly, a Romany man is blamed, and the truth lies buried in secrets the school would rather keep.

6

A Covent Garden Mystery

by Ashley Gardner

2006

While helping investigate missing girls in Covent Garden, Lacey makes a shocking discovery, his long-lost daughter is in London. The case turns fiercely personal when the dangers closing in on the district threaten Gabriella as well.

7

A Death in Norfolk

by Ashley Gardner

2011

A trip to Lacey's boyhood home in Norfolk becomes anything but restful. A missing young woman, eerie happenings at the family estate, and a message for James Denis pull him into theft, murder, and old wounds.

8

The Gentleman's Walking Stick

by Ashley Gardner

2011

This short story collection gives Lacey two brisk Regency cases, a mystery tied to a missing walking stick and another involving a vanished young woman. Small clues lead to family secrets and quiet deception.

9

The Necklace Affair

by Ashley Gardner

2011

A society matron wants her missing necklace found and her maid cleared of theft. Lacey, Lady Breckenridge, and Grenville uncover scandal, old grudges, and a race with James Denis before an innocent woman pays the price.

10

A Disappearance in Drury Lane

by Ashley Gardner

2013

On the eve of major changes in his personal life, Lacey agrees to search for a missing actress. The trail runs through Drury Lane, blackmail, and dangerous men, while Bow Street presses him to turn on James Denis.

11

Murder in Grosvenor Square

by Ashley Gardner

2014

As Lacey prepares for a duel, tragedy strikes people close to him. His investigation carries him from Grosvenor Square to Seven Dials and into an illegal trade that could ruin everyone tangled in it.

12

The Thames River Murders

by Ashley Gardner

2015

Peter Thompson asks Lacey to reopen the murder of a woman found near the docks, a case no one else believes can be solved. At the same time, family pressures and a blackmailer make his home life newly precarious.

13

The Alexandria Affair

by Ashley Gardner

2016

Lacey finally travels to Egypt with Grenville, but James Denis has sent him after a mysterious object in Alexandria. Tombs, antiquities dealers, and ruthless fortune hunters turn the journey into a deadly hunt.

14

A Mystery at Carlton House

by Ashley Gardner

2017

Odd thefts and strange disturbances at Carlton House pull Lacey into the Prince Regent's circle. With Bow Street and James Denis backing different suspects, he must find the truth before politics and crime collide.

15

Murder in St. Giles

by Ashley Gardner

2018

When Brewster becomes entangled in a murder in St. Giles, Lacey rushes to clear him. At the same time, a grasping cousin threatens Lady Breckenridge's young son, forcing Lacey to protect family and friend at once.

16

Death at Brighton Pavilion

by Ashley Gardner

2019

Lacey wakes in Brighton standing over a corpse with a bloody sword and no memory of the night. To save himself, he must piece together the truth and face painful scandals from his own past.

17

The Custom House Murders

by Ashley Gardner

2020

A strange errand for James Denis begins with a box holding only a white queen chess piece. Soon Lacey is helping an old army friend accused of smuggling and murder, while Denis's underworld war threatens Lacey's family.

18

Murder in the Eternal City

by Ashley Gardner

2022

In Rome, Lacey is drawn into a knot of murder, kidnapping, and rare art. As James Denis demands answers, the case forces him through the city's dangerous corners and into another battle over power and possession.

19

A Darkness in Seven Dials

by Ashley Gardner

2024

James Denis is arrested for murder, and Lacey is the one man who might prove him innocent. The search leads through Seven Dials, old enemies, secret societies, and a message from a woman Lacey thought long gone.

20
New

Murder on the Rhône

by Ashley Gardner

2026

In Lyon for a family wedding, Lacey finds a man from his past looming over a fresh corpse. Suspicion falls on his future in-laws, and the investigation exposes dark secrets they would rather keep buried.

Captain Lacey Mysteries books in chronological order

  1. Book cover for "The Hanover Square Affair"

    The Hanover Square Affair

    by Ashley Gardner

    2003Captain Lacey Mysteries, Book 1
  2. Book cover for "A Regimental Murder"

    A Regimental Murder

    by Ashley Gardner

    2004Captain Lacey Mysteries, Book 2
  3. Book cover for "The Glass House"

    The Glass House

    by Ashley Gardner

    2004Captain Lacey Mysteries, Book 3
  4. Book cover for "The Sudbury School Murders"

    The Sudbury School Murders

    by Ashley Gardner

    2005Captain Lacey Mysteries, Book 4
  5. Book cover for "A Body in Berkeley Square"

    A Body in Berkeley Square

    by Ashley Gardner

    2005Captain Lacey Mysteries, Book 5
  6. Book cover for "A Covent Garden Mystery"

    A Covent Garden Mystery

    by Ashley Gardner

    2006Captain Lacey Mysteries, Book 6
  7. Book cover for "The Necklace Affair"

    The Necklace Affair

    by Ashley Gardner

    2011Captain Lacey Mysteries, Book 7
  8. Book cover for "The Gentleman's Walking Stick"

    The Gentleman's Walking Stick

    by Ashley Gardner

    2011Captain Lacey Mysteries, Book 8
  9. Book cover for "A Death in Norfolk"

    A Death in Norfolk

    by Ashley Gardner

    2011Captain Lacey Mysteries, Book 9
  10. Book cover for "A Disappearance in Drury Lane"

    A Disappearance in Drury Lane

    by Ashley Gardner

    2013Captain Lacey Mysteries, Book 10
  11. Book cover for "Murder in Grosvenor Square"

    Murder in Grosvenor Square

    by Ashley Gardner

    2014Captain Lacey Mysteries, Book 11
  12. Book cover for "The Thames River Murders"

    The Thames River Murders

    by Ashley Gardner

    2015Captain Lacey Mysteries, Book 12
  13. Book cover for "The Alexandria Affair"

    The Alexandria Affair

    by Ashley Gardner

    2016Captain Lacey Mysteries, Book 13
  14. Book cover for "A Mystery at Carlton House"

    A Mystery at Carlton House

    by Ashley Gardner

    2017Captain Lacey Mysteries, Book 14
  15. Book cover for "Murder in St. Giles"

    Murder in St. Giles

    by Ashley Gardner

    2018Captain Lacey Mysteries, Book 15
  16. Book cover for "Death at Brighton Pavilion"

    Death at Brighton Pavilion

    by Ashley Gardner

    2019Captain Lacey Mysteries, Book 16
  17. Book cover for "The Custom House Murders"

    The Custom House Murders

    by Ashley Gardner

    2020Captain Lacey Mysteries, Book 17
  18. Book cover for "Murder in the Eternal City"

    Murder in the Eternal City

    by Ashley Gardner

    2022Captain Lacey Mysteries, Book 18
  19. Book cover for "A Darkness in Seven Dials"

    A Darkness in Seven Dials

    by Ashley Gardner

    2024Captain Lacey Mysteries, Book 19
  20. Book cover for "Murder on the Rhône"

    Murder on the Rhône

    by Ashley Gardner

    2026Captain Lacey Mysteries, Book 20

Series background & context

The Captain Lacey Mysteries are long form historical whodunits built around one damaged, stubborn, deeply appealing narrator. Gabriel Lacey begins the series as a half pay cavalry captain returned from war, with too much behind him and very little ahead. In The Hanover Square Affair, a missing girl drags him into an investigation almost by accident. After that, solving crimes becomes the thing he is unexpectedly good at, even when it costs him peace, safety, and whatever polite society thinks of him.

These books work especially well because Lacey can cross boundaries. He is a gentleman, but not a comfortable one. He knows soldiers, thieves, magistrates, servants, actresses, and aristocrats, and he can move among them without trusting any world completely. That lets the series explore Regency England from many angles at once. One book may start in a ballroom, another in a theatre, another in a school or at the docks, but the pattern is the same: respectable surfaces crack quickly, and Lacey ends up in the places where power really hides.

The supporting cast is a big part of the pleasure. Lucius Grenville, elegant and wealthy and sharper than many people realize, is far more than comic relief. Lady Breckenridge brings intelligence, courage, and her own practical strengths. Brewster adds muscle and street knowledge. James Denis, meanwhile, is one of those figures who keeps every scene slightly off balance. He is a crime lord, an occasional patron, an adversary, and sometimes the man with the information Lacey cannot do without.

Nothing stays neatly solved for long.

That is because the series is not only about isolated murders. It is also about aftermath. Lacey is a war veteran trying to learn how to live as an ordinary man, and ordinary life never quite arrives. Family, marriage, fatherhood, old loyalties, money troubles, and questions of honor all keep pressing on the cases. Later books widen the map to places like Norfolk, Brighton, Egypt, Rome, and Lyon, but London remains the emotional center, a city full of dirt, beauty, danger, and unfinished business.

The tone is serious without becoming heavy. There is romance, but it never overwhelms the mystery. There is violence, but it serves the stakes instead of showiness. Most books can be enjoyed on their own, yet the larger arc is much richer if you start with The Hanover Square Affair and keep going. If you want a historical mystery series that rewards attention to character as much as plot, Captain Lacey is built for that kind of reading.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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