D.I. Andy Horton Books in Order

The Recommended Reading Order

The D.I. Andy Horton series (also published under the banner of the Solent Murder Mysteries by Joffe Books) is best read in strict publication order. While each novel presents a self-contained murder investigation that is resolved by the final page, the overarching narrative of Andy’s turbulent personal life—especially the search for his missing mother and his rocky relationship with police authority—develops sequentially from book to book. Reading them out of order will spoil major personal milestones, character developments, and the ultimate resolution of his family mystery.

As of 2026, the series consists of 19 published novels, with a 20th untitled installment scheduled for release in November 2026. Because Joffe Books acquired and reissued the series, many of the novels have two titles: their original title and their updated, location-based reissue title. Below is the complete chronological path to follow:

1. The Portsmouth Murders (originally published as Tide of Death) (2006)
2. The Langstone Harbour Murders (originally published as Deadly Waters) (2007)
3. The Horsea Marina Murders (originally published as The Suffocating Sea) (2008)
4. The Royal Hotel Murders (originally published as Dead Man's Wharf) (2009)
5. The Isle of Wight Murders (originally published as Blood on the Sand) (2010)
6. The Portchester Castle Murders (originally published as Footsteps on the Shore) (2011)
7. The Chale Bay Murders (originally published as A Killing Coast) (2012)
8. The Farlington Marsh Murders (originally published as Death Lies Beneath) (2012)
9. The Oyster Quays Murders (originally published as Undercurrent) (2013)
10. The Cowes Week Murders (originally published as Death Surge) (2013)
11. The Boathouse Murders (originally published as Shroud of Evil) (2014)
12. The Thorney Island Murders (originally published as Fatal Catch) (2016)
13. The Guernsey Ferry Murders (originally published as Lethal Waves) (2017)
14. The Rat Island Murders (originally published as Dead Passage) (2018)
15. The Luccombe Bay Murders (originally published as A Deadly Wake) (2020)
16. The South Binness Murders (2022)
17. The Hayling Island Murders (2023)
18. The Chidham Creek Murders (2024)
19. The Tipner Lake Murders (2025)

Understanding the Title and Text Revisions

If you are tracking down physical copies or looking at older forum discussions, the dual titles can be confusing. When Joffe Books took over publication, they systematically rebranded the series to highlight the atmospheric South Coast settings of England, giving them location-based titles (e.g., changing Tide of Death to The Portsmouth Murders). Both versions feature the same gripping plots, but there are a few subtle differences in the text you should know:

• The Richard Ames / Eames Name Change: In original prints, a key recurring character is named Lord Richard Eames. Upon discovering that a real-life Lord Eames existed, Pauline Rowson and her editors modified the name in the Joffe editions to Lord Richard Ames (and later Sir Richard Ames) to avoid any unintended associations.
• Fictionalized Landmarks: To avoid associating real-world local businesses with gruesome fictional crimes, a few real locations were fictionalized in the reissues. For example, the real-world Gunwharf Quays shopping complex was changed to the fictional Oyster Quays.

The Core Character Arc: The Mystery of Jennifer Horton

What sets the Andy Horton series apart from standard police procedurals is the slow-burn emotional core of its protagonist. Abandoned at the age of ten when his mother, Jennifer Horton, walked out to go to work at a casino and never returned, Andy grew up in children’s homes. This childhood trauma fueled both his instinct to become a detective and his deep-seated distrust of authority.

For the first half of the series, Andy believes his mother simply abandoned him. However, in The Horsea Marina Murders (Book 3), he discovers that this narrative is a complete lie. This begins a long, painful investigation into her real fate, running parallel to his official murder cases. The decades-old conspiracy involves powerful local figures, including the missing baronet Sir Richard Ames. If you want to see this long-running mystery solved, the climax and final answers are revealed in The Luccombe Bay Murders (Book 15).

Following the resolution of the Jennifer Horton mystery, the books from The South Binness Murders (Book 16) onward see Andy dealing with the emotional fallout of what he uncovered, navigating complex custody issues regarding his daughter Emma with his hostile ex-wife, and adapting to new professional relationships—including the arrival of Harriet Ames, the daughter of Sir Richard, who joins his police force in The Hayling Island Murders (Book 17).

Spin-Offs, Standalones, and the Broader Rowson Universe

While D.I. Andy Horton is Pauline Rowson's most famous creation, she has written several other series and standalones set in the same coastal environments. While there are no direct character crossovers where Horton teams up with her other sleuths, readers who enjoy the maritime atmosphere will find similar themes in these works:

• Art Marvik Marine Thrillers: Featuring a former Royal Marine Commando who works undercover for the police. This series is much more action-oriented and thriller-focused than the police procedural style of Andy Horton.
• Inspector Ryga Mysteries: A historical mystery series set in 1950s coastal Britain, starring a patient and highly analytical Scotland Yard inspector.
• Standalone Novels: Rowson has written two standalone contemporary mystery thrillers, In Cold Daylight and In for the Kill, which capture the same fast-paced tension as her main series.