Exciting New Mystery Book Releases in March 2025.

Introduction

Hello, fellow bookworms!šŸ™‹šŸ¼ā€ā™€ļø I hope everyone is reading something good. Check out these mystery book releases in March 2025, if you aren’t and want some recommendations.

If you can’t wait till it’s released, check out this list of books that came out exactly one year ago, in March 2024.

Note: This post contains affiliate links. If you click through and make a purchase, I may earn a commission at no additional cost to you.

New Mystery Book Releases in March 2025

1. Sapphires And Secrets by Ella Strike

mystery books in march 2025

A sparkling jewel, a house full of secrets, and a guest list with something to hide—Kitty Goring has only one chance to uncover the truth.
Kitty and her brother, Sir James, are thrilled to host the glamorous Prince Vikram and Princess Noor from India at Merivale Manor. Their visit allows the royal couple a chance to relax during their London holiday while it provides Kitty and Jimmy a chance to prove themselves.


But when a priceless sapphire necklace vanishes under mysterious circumstances, Merivale Manor’s polished faƧade begins to crack. As Kitty delves into the theft, long-buried secrets resurface, threatening not only the royal couple’s carefully built reputation but also the very bonds of trust within the manor’s walls.
As before, Kitty finds herself at loggerheads with the stubborn DI Henry Burton, who resents her interference in his investigation.


Can Kitty and her loyal companion, Scottie, untangle the web of deceit before the scandal becomes too great to contain? Or will the glittering sapphires remain lost forever, along with the truths they were meant to protect?
To find out, read Sapphires and Secrets, the second book in the Kitty Goring Investigates series.

Release Date: 1 March, 2025

Why am I excited about these mystery books in March 2025?

I love cosy mysteries, and this one is a cosy mystery. Its description also sounds cool, so I am excited about this book.

More Info: Goodreads

Buy Now: Amazon

2. Finlay Donovan Digs Her Own Grave by Elle Cosimano

mystery book releases in march 2025

Finlay Donovan is no stranger to skeletons in the closet . . .
But this murder is too close to home.


Finlay Donovan and her nanny/partner-in-crime, Vero, have not always gotten along with their elderly neighbour, Mrs. Haggerty – the community busybody and president of the neighbourhood watch.

But when a dead body is discovered in her backyard and her house becomes an active crime scene, there’s nowhere for her to stay . . . except at Finlay’s, right across the street.

Finlay and Vero have no interest in getting mixed up in another murder case – or in sharing their beds with Mrs Haggerty. But when police suspicions land on Finlay’s ex-husband, Steven, they’re left with no choice.

For everything to stay buried, they’ll need to get nosy about this neighbour and unearth her secrets. Before the police start digging up theirs.

Release Date: 4 March, 2025

Why am I excited about these mystery books in March 2025?

I have seen in bookstagram a lot about this series and have been excited about it since then. I haven’t read the previous books yet, but I am looking forward to reading this series in future.

More Info: Goodreads | Storygraph

Buy Now: Amazon

3. Murder in Covent Garden by Anita Davison

mystery books to read

Nobody should be in the market… for murder!
Even though its famous opera house has shuttered its doors for the war, Covent Garden remains one of the most exciting, bustling areas of London. It’s where Hannah Merrill and Aunt Violet have their bookshop and, in spite of the recent spate of burglaries in the area, it’s generally thought to be a good neighbourhood.


So Hannah is surprised when she sees a fellow shopkeeper – a jeweller named Jacob Cornelis – having a heated argument with a stranger. Especially when the next day Cornelis is found dead in his shop, apparently the victim of another burglary.
But what shocks Hannah more is when she meets the policeman supposedly there to investigate the crime. Because he is none other than the man who Hannah saw arguing with Cornelis the day before.


Hannah knows it’s up to her and Violet to investigate. But they don’t know they’re about to uncover a secret underworld of theft, murder and blackmail. And they must act fast, before the Covent Garden Killer strikes again…

A gripping and unputdownable Golden Age cozy crime mystery, perfect for fans of Agatha Christie, Helena Dixon and Verity Bright.

Release Date: 14 March, 2025

Why am I excited about these mystery books in March 2025?

I have read the first book in this series, and I liked it, so I am excited about this book. It’s a cosy mystery which I like very much.

More Info: Goodreads | Storygraph

Buy Now: Amazon

4. Husband Missing by Lisa Regan

mystery books 2025

Fear prickles her skin. ā€œNoah?ā€ Photos and trinkets from their simple but perfect life together litter the carpet. The coffee table is cracked, blood along its edges. She should be taking in details, but her heart is racing too fast. A strangled cry works its way from Josie’s chest. Where is her husband?

Detective Josie Quinn’s world shatters when she returns home to find her house ransacked, and her husband, Noah, missing. When she kissed him goodbye hours earlier, called to the discovery of a woman’s body at a protest, they were putting the finishing touches to a nursery for their first adopted child. But now the house is empty, Noah’s bloodied handprints trailing the walls.

Every fiber of Josie’s being screams to investigate. But her team warn her to keep her distance as they follow a connection to a recent robbery in Denton. But Josie can’t quiet the voice telling her the handprints Noah left are leading her somewhere, and the trail ends at an upturned box of her long-dead abusive mother’s possessions: faded photos, jewellery, a lock of hair, and a few old newspaper clippings.

Beside herself with worry for Noah, and unexpectedly confronted by the trauma of her past, Josie throws herself into work. The woman’s body found during a demonstration outside a children’s hospital belongs to Gina Phelan, daughter of the powerful and influential Phelan family. Trawling the CCTV is a welcome distraction, but everything changes the moment fingerprints from the knife that wounded Gina match to prints found in Josie’s own home.

Her head spinning as the two cases collide, Josie’s only option is to delve into the life of the monster who terrorized her as a child. The key to everything is hidden in the box of her mother’s mementoes. But is Josie strong enough and fast enough to find it in time? And at what devastating cost to those she loves most?

Release Date: 19 March, 2025

Why am I excited about these mystery books in March 2025?

It sounds somewhat like Gone Girl by Gillian Flynn. I have read that book but didn’t like it that much, but let’s see if this book is good or not.

More Info: Goodreads | Storygraph

Buy Now: Amazon

5. Marriage and Murder by  Stephanie Laurens

mystery book new releases 2025

When a middle-aged spinster is found strangled in her country cottage and scurrilous gossip implicates Henry, Lord Glossup, he appeals to Barnaby and Penelope Adair along with Inspector Stokes to unravel the mystery of who killed Viola Huntingdon.

Henry, Lord Glossup, arrives on Barnaby and Penelope Adairs’ doorstep and begs their aid—and that of Stokes—in identifying the murderer of Viola Huntingdon, a middle-aged spinster who lived a largely blameless life in a country cottage in a tiny village close to Henry’s home. As Stokes has already been tapped to take the case, the investigators travel to Salisbury and thence to Ashmore village and throw themselves into the case.

While initially Henry was touted as a suspect, he is quickly eliminated, and with the help of the victim’s sister, Madeline, the investigators set out to discover all they can about the victim and who might have wished her ill. In such a small village, with a commensurately small population, the list of possible suspects is short, but the existence of Viola’s ā€˜secret admirer, H’ has everyone stumped. First, how could Viola, living in such a small community, have had a secret visitor, a man no one saw except at a distance? And who on earth is he, this H?

As the investigators piece together the clues of missing jewellery and sightings of H and follow the leads generated by opportunistic thieves, dodgy jewellers, and local moneylenders, a picture emerges that points to only one conclusion. But in small villages, things are rarely as they seem. Have the investigators got the right man in their sights, or have they been led astray?

Release Date: 20 March, 2025

Why am I excited about these mystery books in March 2025?

I liked the description of this book, so I am excited about its release.

More Info: Goodreads | Storygraph

Buy Now: Amazon

Not finding the genre you like? Want recommendations for the genre you like? Check out this post from Rachael from Booklistqueen.

Conclusion

These are the five exciting new mystery book releases in March 2025 that I am excited to read. Let’s dive into these amazing fresh releases and offer some love to the talented authors who created them! Whether you buy from your favourite local bookstore, borrow from the library, or share suggestions with friends, every little amount helps these storytellers and keeps the literary magic going. Are you interested in any of these new releases? Please let me know in the comments. I’d want to know whether our tastes are similar.

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Let’s Chat!

What books are you looking forward to reading that will be released in March 2025? Is there a book on the list above that is also on your TBR? Let me know in the comments!

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