There is a comforting, timeless elegance to a historical British cozy mystery. It’s an environment where the tea is hot, the coastal vistas are stunning, and a sharp-witted amateur sleuth is always on hand to solve a murder before the local constabulary even knows where to start. Helena Dixon has established herself as an absolute modern master of this genre.
Dixon’s books capture the vibrant, glamorous, yet increasingly tense atmosphere of the 1930s and 1940s. Her novels primarily follow Kitty Underhay, an independent and relentless young woman solving crimes across Devon and beyond, alongside her partner and husband, Matt. More recently, Dixon has expanded her universe into the World War II era with a brand-new cast of characters. To ensure you don’t miss a single clue or character milestone, here is the definitive guide to reading Helena Dixon’s books in order.
1. Miss Underhay Mystery Series
Set predominantly in the late 1930s against the beautiful backdrop of coastal Devon and high-society Europe, this series follows the sharp-minded Kitty Underhay and ex-soldier Matthew Bryant. It is highly recommended to read these in sequence to watch their partnership and marriage naturally evolve.
Murder at the Dolphin Hotel (2019)
- The Plot: In the summer of 1933, Kitty Underhay is helping run her grandmother’s hotel in Dartmouth when a guest is found dead and a priceless artifact goes missing. She pairs up with the mysterious security man, Matt Bryant, to solve her very first case.
Murder at Enderley Hall (2020)
- The Plot: Kitty and Matt head to a grand country estate for a summer house party. The festive mood is instantly shattered when a local maid is found dead, forcing the duo to parse through aristocratic secrets.
Murder at the Playhouse (2020)
- The Plot: A local theater production becomes a real-life tragedy when the leading lady is murdered mid-performance. Kitty must look behind the curtains to find a theatrical killer.
Murder on the Dance Floor (2020)
- The Plot: A glamorous charity dance tournament at the Dolphin Hotel takes a sinister turn when one of the star dancers collapses from poisoning on the ballroom floor.
Murder in the Belltower (2021)
- The Plot: When a local church bell ringer falls to his death from the high tower, the town rules it an accident, but Kitty suspects someone in the parish wanted him permanently silenced.
Murder at Elm House (2021)
- The Plot: Kitty investigates a secluded nursing home where wealthy residents are dying under highly suspicious circumstances, uncovering a dark financial plot.
Murder at the Wedding (2021)
- The Plot: Acting as a bridesmaid at a high-profile family wedding, Kitty’s celebratory weekend is derailed when a gunshot kills a valet and threatens the groom’s inner circle.
Murder in First Class (2022)
- The Plot: All aboard a luxury steam train bound for London. The journey turns into a high-speed nightmare when a wealthy passenger is discovered dead inside a locked first-class compartment.
Murder at the Country Club (2022)
- The Plot: A competitive local tennis tournament becomes a dangerous doubles match with death when a prominent club member is found slain on the grounds.
Murder on Board (2022)
- The Plot: A scenic riverboat excursion along the stunning Devon coastline is cut short when a prominent local businessman is fished out of the water.
Murder at the Charity Ball (2023)
- The Plot: A high-society winter gala raising funds for a local orphanage turns catastrophic when a wealthy patron is targeted by a ruthless killer.
Murder at the Beauty Pageant (2023)
- The Plot: Kitty is roped into organizing the Miss Dartmouth Jubilee pageant at the Dolphin Hotel, only for one of the contestants to turn up dead before the crown can be awarded.
Murder at the Village Fair (2023)
- The Plot: While enjoying a belated summer honeymoon, Kitty and Matt visit a charming village fair, only for a carousel ride to end in a shocking murder.
Murder at the Highland Castle (2023)
- The Plot: A chilly winter trip to a remote Scottish castle traps Kitty and Matt with a eccentric group of guests—and a killer hunting them down one by one.
Murder at the Island Hotel (2024)
- The Plot: Kitty trips to a beautiful new hotel on a secluded island off the English coast. When a storm cuts off communication with the mainland, a locked-room murder takes place.
Murder on the French Riviera (2024)
- The Plot: Leaving England behind for sun-drenched Nice, Kitty and Matt attempt to track down a missing British operative, only for a high-profile gambler to turn up dead in their hotel.
Murder in the Countryside (2024)
- The Plot: A lovely drive to a local apple orchard ends in horror when Kitty’s dog stumbles upon the body of a local farmer crushed by his own cider press.
Murder in New York (2024)
- The Plot: Kitty rushes across the Atlantic to New York after receiving a frantic telegram regarding her father, only to become embroiled in a high-society murder in Central Park.
Murder on the Cornish Coast (2025)
- The Plot: Investigating a series of high-stakes thefts at a coastal estate in Cornwall, Kitty must pivot to a murder inquiry when a boating party ends in disaster.
Murder at the English Manor (2025)
- The Plot: Back in Devon, an elegant engagement party at Markham Hall turns tragic when a young maid’s body is found floating in the estate’s private lake.
Murder in Paris (2025)
- The Plot: In the spring of 1937, Kitty enjoys the sights of Paris until a high-stakes art dealer is murdered near the Eiffel Tower, drawing her into the French underground.
Murder at Midwinter Farm (2025)
- The Plot: A festive, snow-dusted winter in Devon is ruined when a local farmer vanishes without a trace, leaving behind a bloody crime scene on a frozen country lane.
Murder at Sea (2026)
- The Plot: Trapped aboard a luxury ocean liner during a rough crossing, Kitty and Matt must unpack complex alibis when a passenger is found dead in their stateroom.
Murder in a Yorkshire Village (2026)
- The Plot: Kitty and Matt journey to a quiet Yorkshire hamlet to investigate a historical family secret, only to find the village gripped by a modern-day string of killings.
2. The Secret Detective Agency Series
This new companion series jumps forward into the 1940s, trading the sunny pre-war era for wartime espionage, codes, and historical suspense.
- The Secret Detective Agency (2025): Introduces Miss Jane Treen, a War Office administrator, who teams up with a reserved codebreaker and her ginger cat to solve a murder linked to British intelligence.
- The Seaside Murders (2025): Jane is sent undercover to a coastal resort town to root out an active spy ring operating out of a local boarding house.
- Murder Most British (2025): When a high-ranking military official is found dead inside a secure facility, Jane must identify the traitor among a highly vetted group of British staff.
- The Afternoon Tea Murders (2026): Jane travels to a quiet village where a codebreaker is threatened and a local tea shop owner is poisoned mid-service.
- The Crossword Murders (2026): A series of coded puzzles published in the local newspaper accurately predict a string of high-profile wartime assassinations.
About the Author: Helena Dixon
Helena Dixon is an internationally acclaimed British cozy mystery author who grew up in England’s Black Country. Immersed in books from a very young age at her local library, she developed a lifelong love for classic Golden Age detective fiction. Dixon is heavily celebrated for her meticulous historical research, capturing the fashion, architecture, transit, and social shifts of Britain during the interwar and wartime periods. Today, she splits her time between writing her best-selling historical mysteries, tending to her beloved pets, and touring the historic coastal locations that serve as the vivid backdrops for her stories.
Frequently Asked Questions
Where is the best place to start reading Helena Dixon?
You should start directly with Murder at the Dolphin Hotel (2019). Starting here allows you to see the exact moment Kitty and Matt meet, establishing the personal and romantic foundation for the rest of the series.
Are there any recurring characters across the different series?
While The Secret Detective Agency features an entirely new main cast led by Jane Treen, the series are set in the same historical universe. Minor historical links, background details, and regional nods connect the two eras together.
How long are Helena Dixon’s cozy mysteries?
Most of her books are incredibly fast-paced, comforting reads that range between 280 to 320 pages. They are perfectly structured for quick weekend binging or a cozy evening read.
What other authors write similarly to Helena Dixon?
If you love her blend of historical British settings and lighthearted sleuthing, you will thoroughly enjoy the works of T.E. Kinsey (Lady Hardcastle mysteries), Sara Rosett (High Society Lady Detective series), and Carola Dunn (Daisy Dalrymple mysteries).
Conclusion: Grab Your Teacup and Start Reading
The Final Verdict: Helena Dixon has masterfully crafted a massive, deeply immersive historical sandbox that serves as pure comfort food for mystery lovers. For the ultimate experience, start your journey with Murder at the Dolphin Hotel to watch the iconic partnership of Kitty and Matt take flight from the very beginning.
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