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Mydworth Mysteries #18

Lost in the City of Light

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When Sir Harry is asked to go to Paris for a Secret Intelligence Service meeting, he - of course - asks Kat to come along. After all, it's Paris in the summer and fun awaits! But the getaway a deux quickly turns dangerous when Harry goes missing. Suddenly, with both their lives in danger, it's up to Kat to find out what's really going on. As the trail takes her from grand hotels to the late-night bars of Place Pigalle, it soon becomes clear that treachery has a murderous price in the City of Light...


Co-authors Neil Richards (based in the UK) and Matthew Costello (based in the US), have been writing together since the mid-90s, creating innovative content and working on major projects for the BBC, Disney Channel, Sony, ABC, Eidos, and Nintendo to name but a few. Their transatlantic collaboration has underpinned scores of TV drama scripts, computer games, radio shows, and the best-selling mystery series Cherringham. Their latest series project is called Mydworth Mysteries.


148 pages, Kindle Edition

Published June 1, 2025

79 people are currently reading
43 people want to read

About the author

Matthew Costello

292 books362 followers

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5 stars
152 (53%)
4 stars
90 (31%)
3 stars
35 (12%)
2 stars
4 (1%)
1 star
1 (<1%)
Displaying 1 - 14 of 14 reviews
Profile Image for Kimberly Thorpe.
81 reviews3 followers
June 8, 2025
Great, quick read

I have read every book in this series. All have been quick and easy read. This book is set in Paris with Harry and Kat planning a romantic trip after Harry handles some business. That is when things go sideways. Now, the race is on to save Harry, and Kat has to get help from friends. A fast-paced series starts to happen, and I couldn't wait to see how it would end. I can't wait for the next installment.
328 reviews6 followers
June 7, 2025
fast paced

I loved the setting in Paris. Good twists in the end. The new characters were fun and interesting. The main characters delivered as always.
Profile Image for Meghan.
341 reviews5 followers
June 3, 2025
A very good mystery and delightful addition to the series. I loved the setting and it was more exciting than many of the others.
762 reviews5 followers
August 2, 2025
Lukijana upea Nathaniel Parker.
Tällä kertaa Kat ja Harry olivat erillään ja se oli samalla kertaa virkistävää ja etenkin alussa jotenkin latteaa. Loppua kohti tarina sai ryhtiä ja parani. Ihan loppu oli suorastaan jännittäväkin.
Profile Image for Annabelle.
567 reviews59 followers
September 7, 2025
Wieder ein richtig guter Fall und eine tolle kurze Geschichte für Zwischendurch,
10 reviews
June 21, 2025
Love Harry and Kate

Have been reading Costello and Richard’s two cozy mystery series and have enjoyed their main characters and the twist and turns in the plots of their books. This is the first of any in the two series that I felt was a little flat! Not sure why but the resolution didn’t quite work for me and not sure why. But that will not keep me from waiting for their next books in the two series!
1 review
January 25, 2026
Exciting

This may have been one of the most exciting reads. I was really worried for Harry, though I knew he would be saved. All three characters, Harry, Kat, and Molly, read each other perfectly.

I wonder if Branko and/or Bubbles will show up in future stories. I would really love to see Molly pop up, maybe with a beau?
1,033 reviews6 followers
June 15, 2025
This is probably Kat and Harry at their best; backs against the wall, literally in Harry's case, and fighting for their lives. They get help in the shape of a couple of friends and a former boss. And boy do they need it!
45 reviews
June 26, 2025
Too short

Great writing as far as it goes but I am afraid less than 150 pages does not a novel make, too many unexplained events and turns which needed at the very least some sort of expansion or explanation.
6 reviews
Currently reading
June 6, 2025
Brilliant!

Paris,France,best place for this fast paced interesting novel and charming characters. What a surprise when the Villain is revealed! Brilliant!
Profile Image for Tali.
58 reviews
September 12, 2025
I do recommend the rest of the series but this one is NOT a COZY mystery. If it was a library loan I would’ve skipped this one once I realized the whole tone of the book and but I bought it so I did finish. It’s not that it’s a bad book, but It’s a spy thriller and that’s just not remotely what I was looking for and not what you expect from any series labeled cozy mystery. It’s just not remotely what I wanted to listen to I was looking for another cozy mystery from this series. Will still try the next one.

Nathaniel Parker does a great job as narrator as always. I especially recommend the rest of the series especially on audio as Mr. Parker has a very engaging but comforting voice and does a wonderful job.
Profile Image for Malin.
815 reviews5 followers
October 6, 2025
Som tidigare delar innehåller denna spänning, humor och de suveränt trevliga sir Harry och hans fru Kat.
Och Nathaniel Parkers underbara röst. 😍
Displaying 1 - 14 of 14 reviews

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