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The Secret Detective Agency
Best Sellers
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The Afternoon Tea Murders
- The Secret Detective Agency, Book 4
- By: Helena Dixon
- Narrated by: Kristin Atherton
- Length: 6 hrs and 53 mins
- Unabridged
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Overall54
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Performance49
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Story49
London, 1942. Miss Jane Treen is at her desk in Whitehall sipping a strong coffee when she receives an urgent message about her colleague, codebreaker Arthur Cilento.
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Another adventure
- By Jason R. on 05-02-26
Preview -
The Afternoon Tea Murders
- The Secret Detective Agency, Book 4
- Narrated by: Kristin Atherton
- Length: 6 hrs and 53 mins
- Release date: 04-29-26
- Language: English
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The Secret Detective Agency
- By: Helena Dixon
- Narrated by: Kristin Atherton
- Length: 7 hrs and 25 mins
- Unabridged
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Overall201
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Performance183
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Story183
London, 1941: Miss Jane Treen is at her desk, strong black coffee in hand and fluffy ginger cat by her side, when her top-secret government work is interrupted by an urgent call to Devon
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Get this author a nicotine patch!
- By Amazon Customer on 01-12-26
Preview -
The Secret Detective Agency
- Narrated by: Kristin Atherton
- Series: Secret Detective Agency, Book 1
- Length: 7 hrs and 25 mins
- Release date: 03-27-25
- Language: English
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Murder at Sea
- A Miss Underhay Mystery, Book 23
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 6 hrs and 51 mins
- Unabridged
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Overall65
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Performance62
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Story62
A glorious ocean liner setting sail, sunset on the horizon, and champagne on deck. All seems shipshape…until Kitty discovers a body on board. Time for some sleuthing!
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Charming cozy with an ocean view
- By Katharine on 04-13-26
Preview -
Murder at Sea
- A Miss Underhay Mystery, Book 23
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 23
- Length: 6 hrs and 51 mins
- Release date: 02-23-26
- Language: English
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The Seaside Murders
- The Secret Detective Agency, Book 2
- By: Helena Dixon
- Narrated by: Elizabeth Bower
- Length: 7 hrs and 54 mins
- Unabridged
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Overall120
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Performance108
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Story108
When Jane Treen is summoned to her boss’s office at the end of a long day, she smooths down her tweed skirt and makes them both another strong pot of coffee. Brigadier Remmington-Blythe slides a folded copy of the evening newspaper towards her, with one small article circled in red ink.
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Different narrator
- By BarbieAlaska on 10-11-25
Preview -
The Seaside Murders
- The Secret Detective Agency, Book 2
- Narrated by: Elizabeth Bower
- Series: Secret Detective Agency, Book 2
- Length: 7 hrs and 54 mins
- Release date: 04-30-25
- Language: English
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Murder at the Dolphin Hotel: A Gripping Cozy Historical Mystery
- A Miss Underhay Mystery, Book 1
- By: Helena Dixon
- Narrated by: Alex Tregear
- Length: 8 hrs and 7 mins
- Unabridged
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Overall1,460
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Performance1,290
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Story1,287
June 1933. Independent, young Kitty Underhay has been left in charge of her family’s hotel, The Dolphin, on the tranquil English coast. But when several rooms are broken into and searched, including Kitty’s own, she quickly realizes that something out of the ordinary is afoot....
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Very Good Start
- By Dylan on 04-06-20
Preview -
Murder at the Dolphin Hotel: A Gripping Cozy Historical Mystery
- A Miss Underhay Mystery, Book 1
- Narrated by: Alex Tregear
- Series: A Miss Underhay Mystery, Book 1
- Length: 8 hrs and 7 mins
- Release date: 12-11-19
- Language: English
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Murder Most British
- The Secret Detective Agency, Book 3
- By: Helena Dixon
- Narrated by: Kristin Atherton
- Length: 6 hrs and 38 mins
- Unabridged
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Overall176
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Performance165
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Story165
Big Ben chiming in the distance, chilly walks along the river Thames, cocktails at the Ritz… and a government secretary dead? Only Jane Treen can solve the case!
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enjoyable WWII mystery.
- By eglantine on 03-15-26
Preview -
Murder Most British
- The Secret Detective Agency, Book 3
- Narrated by: Kristin Atherton
- Series: Secret Detective Agency, Book 3
- Length: 6 hrs and 38 mins
- Release date: 11-23-25
- Language: English
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Murder in Paris
- A Miss Underhay Mystery, Book 21
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 9 mins
- Unabridged
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Overall56
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Performance51
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Story51
Freshly baked baguettes and strong coffee, a moonlit walk beneath the twinkling lights of the Eiffel tower, sunset over the rooftops… and oh là là! A murder in the French capital? This is one for Kitty Underhay!
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Good story, but…
- By Tammy Hartley on 10-06-25
Preview -
Murder in Paris
- A Miss Underhay Mystery, Book 21
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 21
- Length: 7 hrs and 9 mins
- Release date: 08-26-25
- Language: English
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Murder at the Country Club
- A Miss Underhay Mystery, Book 9
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 27 mins
- Unabridged
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Overall342
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Performance308
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Story307
Kitty Underhay is accompanying her fiancé, Matthew Bryant, and Bertie, his new cocker spaniel, on an outing to Torbay Country Club. However, the delightful day soon turns to disaster....
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Overall good book.
- By CCB on 11-11-24
Preview -
Murder at the Country Club
- A Miss Underhay Mystery, Book 9
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 9
- Length: 7 hrs and 27 mins
- Release date: 06-17-22
- Language: English
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Murder at the Charity Ball
- A Miss Underhay Mystery, Book 11
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 31 mins
- Unabridged
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Overall181
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Performance169
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Story169
Kitty Underhay is dancing...with death....
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Finally!
- By Judith Zawodniak on 02-29-24
Preview -
Murder at the Charity Ball
- A Miss Underhay Mystery, Book 11
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 11
- Length: 7 hrs and 31 mins
- Release date: 01-20-23
- Language: English
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Murder at the Island Hotel
- A Miss Underhay Mystery, Book 15
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 26 mins
- Unabridged
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Overall112
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Performance104
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Story104
A gorgeous island off the English coast, a beautiful hotel perched on the cliffs, a group of glamourous friends… and a suspicious death? Kitty Underhay’s invitation didn’t mention murder!
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Clean Fun
- By Amazon Customer on 03-17-25
Preview -
Murder at the Island Hotel
- A Miss Underhay Mystery, Book 15
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 15
- Length: 7 hrs and 26 mins
- Release date: 03-04-24
- Language: English
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Murder on the French Riviera
- A Miss Underhay Mystery, Book 16
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 13 mins
- Unabridged
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Overall93
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Performance87
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Story87
Late spring, 1936. As Kitty Underhay steps onto the sun-drenched station platform in Nice, on orders from Whitehall to track down a missing man, she hopes there will still be time to lie by the pool, preferably with a cocktail in hand.
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Best series. Very well written and entertaining
- By Rebecca Donahue on 06-12-24
Preview -
Murder on the French Riviera
- A Miss Underhay Mystery, Book 16
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 16
- Length: 7 hrs and 13 mins
- Release date: 05-28-24
- Language: English
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Murder in the Countryside
- A Miss Underhay Mystery, Book 17
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 12 mins
- Unabridged
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Overall101
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Performance94
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Story94
A meandering drive on a beautiful day, a visit to a local apple orchard, a chance for Bertie the dog to stretch his legs but… has Kitty Underhay just found a dead farmer?
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Good Story but Not as Engaging as I'd Expected
- By Joy on 07-25-25
Preview -
Murder in the Countryside
- A Miss Underhay Mystery, Book 17
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 17
- Length: 7 hrs and 12 mins
- Release date: 09-04-24
- Language: English
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Murder at the Playhouse
- A Miss Underhay Mystery
- By: Helena Dixon
- Narrated by: Alex Tregear
- Length: 8 hrs and 45 mins
- Unabridged
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Overall683
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Performance615
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Story614
Late summer 1933. After a quarrel with too-plucky-for-her-own-good amateur sleuth Kitty Underhay, dashing ex-army captain Matthew Bryant is nursing his wounds, and a tumbler of brandy, when there’s a heavy knock at the door and he finds himself arrested for murder....
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Terrific narration brings characters to life
- By Dianne Brooks on 08-09-20
Preview -
Murder at the Playhouse
- A Miss Underhay Mystery
- Narrated by: Alex Tregear
- Series: A Miss Underhay Mystery, Book 3
- Length: 8 hrs and 45 mins
- Release date: 06-30-20
- Language: English
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Murder on the Dance Floor
- A Completely Gripping Historical Cozy Mystery (A Miss Underhay Mystery)
- By: Helena Dixon
- Narrated by: Alex Tregear
- Length: 8 hrs and 3 mins
- Unabridged
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Overall549
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Performance501
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Story499
November 1933. Amateur sleuth-cum-dutiful granddaughter Kitty Underhay stifles a sigh of boredom as she attends the annual Hoteliers' Association Dinner and Dance on behalf of her grandmother, the proprietress of the Dolphin Hotel....
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What a read
- By Collective Scribbler on 08-12-21
Preview -
Murder on the Dance Floor
- A Completely Gripping Historical Cozy Mystery (A Miss Underhay Mystery)
- Narrated by: Alex Tregear
- Series: A Miss Underhay Mystery, Book 4
- Length: 8 hrs and 3 mins
- Release date: 10-28-20
- Language: English
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Murder on the Cornish Coast
- A Miss Underhay Mystery, Book 19
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 27 mins
- Unabridged
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Overall92
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Performance87
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Story87
A bright blue sky, a glamorous boating party, an English manor house on the Cornish cliffs… and surely not another murder! Get Kitty Underhay on the case!
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Deeper than the average Cozy…
- By Marisong on 10-21-25
Preview -
Murder on the Cornish Coast
- A Miss Underhay Mystery, Book 19
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 19
- Length: 7 hrs and 27 mins
- Release date: 02-20-25
- Language: English
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Murder on Board
- A Miss Underhay Mystery, Book 10
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 17 mins
- Unabridged
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Overall251
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Performance227
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Story225
Kitty Underhay hopes for plain sailing as she caters a 21st birthday party for the chief constable’s daughter aboard a luxury paddle steamer....
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Still cute but lacking substance
- By Katharine E. Warren on 12-20-22
Preview -
Murder on Board
- A Miss Underhay Mystery, Book 10
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 10
- Length: 7 hrs and 17 mins
- Release date: 10-19-22
- Language: English
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Murder at the English Manor
- A Miss Underhay Mystery, Book 20
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 21 mins
- Unabridged
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Overall68
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Performance63
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Story63
At home in Devon, Kitty is attending a ball at the very grand Markham Hall. With celebrations in full swing and everyone kitted out in their glad rags, Kitty and Matt enjoy the champagne.
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Great series!
- By KatiBelle on 08-18-25
Preview -
Murder at the English Manor
- A Miss Underhay Mystery, Book 20
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 20
- Length: 7 hrs and 21 mins
- Release date: 05-23-25
- Language: English
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Murder at the Wedding
- An Addictive and Gripping Cozy Mystery (A Miss Underhay Mystery, Book 7)
- By: Helena Dixon
- Narrated by: Polly Edsell
- Length: 7 hrs and 19 mins
- Unabridged
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Overall446
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Performance412
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Story409
The year 1934. Kitty Underhay steps out of the battered Rolls Royce and onto the graveled driveway of Thurscomb Castle in deepest Yorkshire....
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Narrator change
- By Sherri L Snyder on 10-06-21
Preview -
Murder at the Wedding
- An Addictive and Gripping Cozy Mystery (A Miss Underhay Mystery, Book 7)
- Narrated by: Polly Edsell
- Series: A Miss Underhay Mystery, Book 7
- Length: 7 hrs and 19 mins
- Release date: 10-06-21
- Language: English
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Murder at the Highland Castle
- A Miss Underhay Mystery, Book 14
- By: Helena Dixon
- Narrated by: Karen Cass
- Length: 7 hrs and 27 mins
- Unabridged
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Overall127
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Performance114
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Story115
Kitty Underhay, her husband, Matt, and their beloved dog, Bertie, are delighted to be celebrating the new year with a Hogmanay party, but just after midnight, a shot rings out across the grounds....
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Disappointed once again!
- By Anonymous on 05-24-26
Preview -
Murder at the Highland Castle
- A Miss Underhay Mystery, Book 14
- Narrated by: Karen Cass
- Series: A Miss Underhay Mystery, Book 14
- Length: 7 hrs and 27 mins
- Release date: 11-17-23
- Language: English
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Murder at Enderley Hall: A Completely Addictive Cozy Mystery
- A Miss Underhay Mystery
- By: Helena Dixon
- Narrated by: Alex Tregear
- Length: 8 hrs and 13 mins
- Unabridged
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Overall818
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Performance724
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Story717
A charming cozy historical murder mystery that fans of Agatha Christie, T.E. Kinsey and Lee Strauss won’t be able to put down....
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Very pleasant mystery, good narrator, cozy and fun
- By Kris on 04-15-20
Preview -
Murder at Enderley Hall: A Completely Addictive Cozy Mystery
- A Miss Underhay Mystery
- Narrated by: Alex Tregear
- Series: A Miss Underhay Mystery, Book 2
- Length: 8 hrs and 13 mins
- Release date: 03-19-20
- Language: English
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