Two suggestions; a Romance with deadly secrets from BookBub and a Mystery from 1531 Entertainment. I’ve read and enjoyed both of these books.
Almost Forever (Hanover Falls Series Book 1)

Unearthing a lost memory may cause her to lose everything
she holds dear… but could it also set her free?
Bryn Hennesey, a volunteer at the Grove Street Homeless Shelter, was there the night the shelter burned to the ground and five heroic firefighters died at the scene. Among them was Bryn’s husband, Adam. Like the rest of the surviving spouses, she must find a way to begin again. But she must do so living with a horrible secret.
Garrett Edmonds’s wife, Molly, was the only female firefighter to perish in the blaze. As her husband, it was Garrett’s job to protect the woman he loved… How can he go on in the face of such unbearable loss and guilt?
And what started the fire that destroyed the dreams and futures of so many? Investigators are stumped. But someone knows the answer.
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Truth Stained Lies (Moonlighters Series Book 1)

Cathy Cramer is a former lawyer and investigative blogger who writes commentary on high-profile homicides. When she finds a threatening note warning her that she’s about to experience the same kind of judgment and speculation that she dishes out in her blog, Cathy writes it off as mischief . . . until her brother’s wife is murdered and all the “facts” point to him. The killer has staged the crime to make the truth too far-fetched to believe. Working to solve the murder and clear her brother’s name, Cathy and her two sisters, Holly and Juliet, moonlight as part-time private investigators. Juliet, a stay-at-home mom of two boys, and Holly, a scattered ne’er-do-well who drives a taxi, put aside their fear to hunt down the real killer.
Stakes rise when their brother’s grieving five-year-old son is kidnapped. As police focus on the wrong set of clues, the three sisters and their battered detective friend are the only hope for solving this bizarre crime, saving the child, and freeing their brother.
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My current read: I’m liking it, but sadly, it falls short of loving-it. The last few reads have been the same. Some less liked than others. Three in a row were hopped, skipped and jumped, quickly to the end. Some were given three stars, mainly because the same thoughts, discussions, and deliberations, kept happening over and over. One book was filled with scenarios that added nothing significant to the storyline.
So back to the current read; So far I’m reading all of it, which is a good sign.
Christmas Mercies: A Christian Holiday Romance Novel (Little River Village Christmas Book 1)

For Janice Michaels, the bane of her career as a music teacher is preparing students for the annual winter holiday program. Christmas has brought nothing but grief and loneliness for the past decade, after she lost her beloved husband to a fatal car accident. Hearing holiday music day after day during the first few months of the school year is like constantly ripping the scab off an unhealed wound.
Determined to keep her husband in her heart, she has kept a fortress around it, allowing only one woman in as a true friend, and avoiding anything more than a passing acquaintance with any man.
Until Timothy Fielding, the maintenance man at the apartment complex where she lives, comes along. He happens to love the Christmas season. When circumstances – and Janice’s best friend, Kayla – draw them together, he struggles to keep his growing feelings for Janice at bay. He has his own secret past that he’s sure would repel any woman, once she found out about it.
But his desire for love and companionship win out, and he does his best to knock down the walls around Janice’s heart. But even when she finally relents and agrees to spend more time with him, she continues to resist opening her heart back up to Christmas.
Because the death of her husband is only the beginning of the tragedy surrounding the day.
In the meantime, Lucille Masterson, the great-grandmother of Janice’s star pupil, makes a shocking discovery that almost causes her to ruin Christmas for her family. Again. But then she realizes that if she would face her fear, she could finally release the burden she’s been carrying for the past ten years. What she doesn’t know is that it would release a horrible burden for the very person she’s afraid to face…
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This book is still free.
Happy Reading y’all