Mystery

Val Fremden Midlife Misadventures Cozy Mystery Series

Glad One: Crazy is a Relative Term (Val Fremden Midlife Misadventures Book 1)

Glad One: Crazy is a Relative Term (Val Fremden Midlife Misadventures Book 1) FREE by Margaret Lashley: A hilarious, beloved, no-murder cozy mystery series about starting over, found family, and accidental sleuthing. Val Fremden arrives home to St. Petersburg, Florida, with nothing. No friends. No money. No map forward. What she finds instead is the misfit tribe that hangs around Caddy's beach bar -- and a mystery that will change her life forever.

This book is Free on May 22, 2026

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Other Books in the series

Two Crazy: Bust a Move (Val Fremden Midlife Misadventures Book 2) KINDLE
2.99
Three Dumb: Wheelin' & Dealin' (Val Fremden Midlife Misadventures Book 3) KINDLE
4.99
What Four: Family Fruitcake Frenzy (Val Fremden Midlife Mysteries Book 4) KINDLE
4.99
Five Oh: Mid-Century Meltdown (Val Fremden Midlife Misadventures Book 5) KINDLE
4.99
Six Tricks: Doggone Disaster (Val Fremden Midlife Misadventures Book 6) KINDLE
4.99
Seven Daze: Low-Rent Rendezvous (Val Fremden Midlife Misadventures Book 7) KINDLE
4.99
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The Serpent Thriller Series

The Serpent's Bridge (The Serpent Series Book 1)

The Serpent's Bridge (The Serpent Series Book 1) FREE by S.Z. Estavillo: Mexican immigrants are being murdered by a serial killer across Los Angeles. As the body count rises, Detective Anaya Nazario uncovers a disturbing pattern linking the victims and realizes the killer is targeting people the system ignores. Forced to work with her ex, FBI Agent Blake Huxley, she must stop the murders before more lives are lost.

This book is Free on May 22, 2026

Kindle

Other Books in the series

The Serpent Woman (The Serpent Series Book 2) KINDLE
1.99
Twilight of the Serpent (The Serpent Series Book 3) KINDLE
1.99
The Serpent's Order (The Serpent Series Book 4) KINDLE
5.99
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Senator Secrets, Comic Chaos, and Deadly Flights: Free Mystery / Thriller eBooks

Ghost Mortem (Ghost Detective Book 1)

Ghost Mortem (Ghost Detective Book 1) FREE by Jane Hinchey: When your dead bestie shows up asking you to solve his murder, you say yes—right? Even if it means trusting a smokin’ hot detective, inheriting a snarky talking cat, and questioning your own sanity. Welcome to Firefly Bay, where death is just the beginning.

This book is Free on May 22, 2026

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Dead Men Don't Dig Tunnels (A Carolina Teal Cozy Mystery)

Dead Men Don't Dig Tunnels (A Carolina Teal Cozy Mystery) FREE by CC Trace: "Carolina, Angela, Jack, Goldie, & Kahlua are all back in the most intriguing book of this series. While celebrating the speakeasy history of the town with a huge costume party, everyone learns about the tunnels that run underneath most of the buildings in town... Twists & turns, secrets & potential criminal activity make this an excellent read."

This book is Free on May 22, 2026

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Kiki Lowenstein Cozy Mystery (Books 1-3) (Kiki Lowenstein Mystery Box Sets Book 1)

Kiki Lowenstein Cozy Mystery (Books 1-3) (Kiki Lowenstein Mystery Box Sets Book 1) FREE by Joanna Campbell Slan: Fans of female amateur sleuths will love this heartwarming cozy mystery series. Perfect for crafters and animal lovers! This clean series will leave the reader cheering for lovable, imperfect, and endearing Kiki Lowenstein. "Entertaining and engaging ...with emotionally complex characters."--Reader

This book is Free on May 22, 2026

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Damaged (A Tyler Zahn Mystery-Suspense Novel Book 4)

Damaged (A Tyler Zahn Mystery-Suspense Novel Book 4) FREE by Cam Torrens: A broken Air Force pilot. A quiet mountain town. A terror plot hiding in plain sight. Tyler Zahn came to Buena Vista to outrun his past. But when a kidnapping and a deadly threat to Colorado’s water system collide, he must face the one role he fears most: the man everyone is counting on. Perfect for fans of mystery series and high-stakes thrillers.

This book is Free on May 22, 2026

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Capitol Murder (Shepherd & Associates Book 1)

Capitol Murder (Shepherd & Associates Book 1) FREE by Judith Erwin: Innocent, he's your best friend--Guilty, your worst enemy! Badass private investigator Jake Shepherd, a former FBI agent with a Yale law degree, meets savy Scarlett Kavanagh, who has a law degree from Harvard, when a mutual friend recommends Scarlett seek Jake's help to clear her estranged sister in the death of her husband--a U.S. Senator.

This book is Free on May 22, 2026

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Inflatable Myth: When Religion Gets Organized

Inflatable Myth: When Religion Gets Organized FREE by Alan Rolnick: What if faith, money, and political ambition collided in the most outrageous way possible? In Inflatable Myth, Alan H. Rolnick delivers a sharp, satirical novel packed with crooked schemes, comic chaos, and South Florida absurdity. Where anything can happen and usually does. Enter a world where religion gets organized, but once it does, look out!

This book is Free on May 22, 2026

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Not So Dead (A Sam Sunborn Novel Book 1)

Not So Dead (A Sam Sunborn Novel Book 1) FREE by Charles Levin: What if death was only the beginning? In Not So Dead, Sam Sunborn helps invent a way to upload the human mind—then terrorists, spies, and killers come for the technology that could change life forever. A fast, funny, near-future sci-fi thriller packed with danger, heart, invention, and twists. Start the Sam Sunborn adventure today! Download it now.

This book is Free on May 22, 2026

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Tune Up (Detective Qigiq Book 2)

Tune Up (Detective Qigiq Book 2) FREE by Joe Klingler: Two seemingly unconnected incidents—a missing lawyer and an elderly hit-and-run victim—lead Qigiq and Kandy to a vintage motorcycle café, a million-dollar yacht, a cliffside confrontation, and a musician named Mylin. Young. Attractive. And illegal. "a high-octane exercise ...that will have you turning pages at fever pitch” - Pacific Book Review.

This book is Free on May 22, 2026

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A Breath After Drowning

A Breath After Drowning FREE by Alice Blanchard: A child psychiatrist is haunted by a sinister presence, which threatens to destroy her relationship with the man she loves. “Terrifying… one of the most memorable villains since Hannibal Lecter.” — Wall Street Journal

This book is Free on May 22, 2026

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Final Descent

Final Descent FREE by Audrey J. Cole: At 30,000 feet, the danger isn’t turbulence—it’s him. After suffering a breakdown from her divorce, airline pilot Claire Winslow is rebuilding her life with her five-year-old daughter. Just as she’s finding her footing, an online romance spirals into a chilling nightmare. Her first date with Evan goes wrong, and he begins stalking her.

This book is Free on May 22, 2026

Kindle
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The Northwest Cozy Mystery Series

Murder on Bainbridge Island (Northwest Cozy Mystery Series Book 1)

Murder on Bainbridge Island (Northwest Cozy Mystery Series Book 1) FREE by Dianne Harman: When DeeDee's inaugural catering event becomes a crime scene, her budding business is thrust into jeopardy. The Seattle art world is rocked after Lisa, a prominent gallery owner, is found dead during the evening's festivities. All books available with Kindle Unlimited.

This book is Free on May 21, 2026

Kindle

Other Books in the series

Murder in Whistler: A Northwest Cozy Mystery (Northwest Cozy Mystery Series Book 2) KINDLE
4.99
Murder in Seattle: A Northwest Cozy Mystery (Northwest Cozy Mystery Series Book 3) KINDLE
4.99
Murder After Midnight: Northwest Cozy Mystery Series KINDLE
4.99
Murder at Le Bijou Bistro: Northwest Cozy Mystery Series KINDLE
4.99
Murder at the Gallery: A Northwest Cozy Mystery (Northwest Cozy Mystery Series Book 6) KINDLE
4.99
Murder at the Waterfront: A Northwest Cozy Mystery (Northwest Cozy Mystery Series Book 7) KINDLE
4.99
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The Harlowe & Fitch Historical Mystery Series

Murder at Mablethorpe Castle (A Harlowe & Fitch Historical Mystery Book 1)

Murder at Mablethorpe Castle (A Harlowe & Fitch Historical Mystery Book 1) FREE by Elizabeth Rose: A festive night erupts into murder at Mablethorpe Castle. As flames die and secrets surface, Lady Vivienne Harlowe refuses to back down—haunted by her parents’ unsolved deaths and driven to uncover the truth. With Sheriff Zachariah Fitch at her side, they must catch a killer who’s already set his sights on them.

This book is Free on May 21, 2026

Kindle

Other Books in the series

Murder on Rotten Row (A Harlowe & Fitch Historical Mystery Book 2) KINDLE
1.99
Murder at Maltby le Marsh (A Harlowe & Fitch Historical Mystery Book 3) KINDLE
1.99
Murder at the Joust (A Harlowe & Fitch Historical Mystery Book 4) KINDLE
1.99
Murder on the High Seas (A Harlowe & Fitch Historical Mystery Book 5) KINDLE
5.99
Murder of a Winchester Goose (A Harlowe & Fitch Historical Mystery Book 6) KINDLE
5.99
Murder at the Masquerade (A Harlowe & Fitch Historical Mystery Book 7) KINDLE
5.99
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The Family or Foe Saga Thriller Series

First Cut (The Family or Foe Saga with Detectives Daniels and Remalla Book 1)

First Cut (The Family or Foe Saga with Detectives Daniels and Remalla Book 1) FREE by J.T. Bishop: A serial killer. A telepathic bond. And the one woman who survived him. She walked away once. Now Detectives Daniels and Remalla need former detective Jill Jacobs to walk back in — and the killer who never stopped watching is ready. First Cut — Book One in the Family or Foe Saga.

This book is Free on May 21, 2026

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Other Books in the series

Second Slice: A Murder Mystery Suspense Thriller (The Family or Foe Saga with Detectives Daniels and Remalla Book 2) KINDLE
2.99
Third Blow: A Murder Mystery Paranormal Thriller KINDLE
3.99
Fourth Strike: A Paranormal Psychological Thriller (The Family or Foe Saga with Detectives Daniels and Remalla Book 4) KINDLE
5.99
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Quirky Entrapments, Dark Retributions, and Engineering Survival: Free Mystery / Thriller eBooks

Magical Cozy Mystery Book Club: Box Set #1-3

Magical Cozy Mystery Book Club: Box Set #1-3 FREE by Elizabeth Pantley: This book club dives (literally!) into the pages of a cozy mystery. This quirky group of brave members must solve the mystery to get out of the book. It’s so much fun - you’ll wish for a book club like this!

This book is Free on May 21, 2026

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Murder on the Ghan (The Jack Rogan Mysteries)

Murder on the Ghan (The Jack Rogan Mysteries) FREE by Gabriel Farago: A cursed Outback opal. An iconic train journey. One fatal adventure. When journalist Jack Rogan helps an Aboriginal friend investigate a mine discovery, he and virtuoso Sophie Ritter are hunted by a ruthless bikie gang. Clashing with Dreamtime lore and deadly greed on the famous Ghan rail line, they must race against time to survive.

This book is Free on May 21, 2026

Kindle
Limerick For Death (The Chronicles of Sharon O'Mara 6)

Limerick For Death (The Chronicles of Sharon O'Mara 6) FREE by Gregory C. Randall: Detective Kevin Bryan’s Irish inheritance is a death trap. Burdened by debt and a violent history, the crumbling castle hides smuggler tunnels and ancient horrors. To protect Kevin’s legacy, Sharon O’Mara must outmaneuver ruthless developers and shadows from the past. In County Cork, the price of land is paid in blood.

This book is Free on May 21, 2026

Kindle
Ghosts Among the Gumtrees (Seka Torlak Mystery Book 2)

Ghosts Among the Gumtrees (Seka Torlak Mystery Book 2) FREE by Amra Pajalic: Melbourne, 1997, in a city that is a refuge to those escaping war and destruction, as well as a hiding place for war criminals seeking safe harbour, Seka exacts her retribution against the man responsible for genocide. Will Seka find her salvation, or will she lose her soul in the process?

This book is Free on May 21, 2026

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Black Sky

Black Sky FREE by Ashley Judge: When an EMP plunges Atlanta into chaos, Ethan must protect his injured mother, his determined sister, and a fearless EMT. With no power, no phones, and no escape by car, survival means walking through a collapsing city where violence, desperation, and betrayal wait around every corner.

This book is Free on May 21, 2026

Kindle
Jessup

Jessup FREE by Stephen Ainley: Jessup is scarred physically and emotionally by what he saw during World War 2. When not arguing with his best friend, Marlow, he broods in his room and contemplates suicide as the only way to escape his pain. Now he must choose between a new start in life or staying to help the one person who's treated him with respect.

This book is Free on May 21, 2026

Kindle
The Banyan Project

The Banyan Project FREE by J.R. Mann: What happens when AI quietly pulls the plug on the world? Alex Miller thought he was just advising the ultra-wealthy. Instead, he helped build Banyan, a secret underground sanctuary for a chosen few. Then, the lights go out. Inside, survival is engineered. Outside, society fractures into barter and blood. Perfect for fans of Silo and 1984.

This book is Free on May 21, 2026

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The Redemption Detective Agency Cozy Mystery Series

The Mysterious Case of the Missing Motive (The Redemption Detective Agency Book 1)

The Mysterious Case of the Missing Motive (The Redemption Detective Agency Book 1) FREE by Michele PW (Pariza Wacek): After losing her job, fiancé, and apartment, Emily Hildebrandt has no choice but to move in with her eccentric Aunt Tilde—and fake-work at her ridiculous detective agency. But when a real case lands in their laps, suddenly it's not so funny anymore.

This book is Free on May 20, 2026

Kindle

Other Books in the series

The Mysterious Case of the Missing Dog Walker (The Redemption Detective Agency Book 2) KINDLE
0.99
The Mysterious Case of the Missing Ghost (The Redemption Detective Agency Book 3) KINDLE
4.99
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Haunted Towns, Framed Escapes, and Shifting Suspects: Free Mystery / Thriller eBooks

A Camper and Criminals Cozy Mystery Box Sets (Books 1-10) (Tonya Kappes Books Cozy Mystery Collections)

A Camper and Criminals Cozy Mystery Box Sets (Books 1-10) (Tonya Kappes Books Cozy Mystery Collections) FREE by Tonya Kappes: Campground cozy mystery box set with murder Mae West never expected her glamorous New York life to end with an FBI raid, a disgraced husband, and nowhere to go. When her husband is arrested for a massive Ponzi scheme, Mae loses everything—except one unexpected inheritance: a rundown campground in Normal, Kentucky, and an RV she barely knows how to use and now her husband shows up murdered.

This book is Free on May 20, 2026

Kindle
The Last Snapshot

The Last Snapshot FREE by Diana Freel: Some secrets refuse to stay buried… Before the bakery. Before the investigation. Before Willow Creek changed everything… this is where Claire’s story begins. Claire Anderson is finally close to the life she has been working toward. A quiet town. A fresh start. A bakery that will soon open its doors. Then her best friend is found dead.

This book is Free on May 20, 2026

Kindle
Magic in Moon Lake Box Set (Books 1-3)

Magic in Moon Lake Box Set (Books 1-3) FREE by Lucia Kuhl: A fresh midlife start. A haunted town. And murder she didn’t see coming. Sydney Hovan returns to Moon Lake for peace, but finds a jealous ghost, a growing list of suspects, and a dangerously charming cop. Can she solve the crimes before she’s next? Perfect for fans of quirky families and deeply rooted friendships.

This book is Free on May 20, 2026

Kindle
Shifters (A Samantha Reece Mystery Book 1)

Shifters (A Samantha Reece Mystery Book 1) FREE by Jaime Johnesee: When shredded remains turn up in hotel bathtubs all over Birmingham, FBI Agent Samantha Reece and her partner, Quinn O'Reilly, are assigned to investigate. Luckily, Sam has an ace up her sleeve in her ability to shift into a werepanther, enhancing her senses when she's on the hunt.

This book is Free on May 20, 2026

Kindle
Hunter (Book 1)

Hunter (Book 1) FREE by Heath Stallcup: Born of Viking stock and careered into the Swedish Navy, Sven Ericsson finds himself in the fabled New World. Away from the restraints of society, the young Northman is dragged into long nights of debauchery; nights that lead him into the waiting arms of a dark beauty who will change his very nature forever.

This book is Free on May 20, 2026

Kindle
New Australia

New Australia FREE by Joseph Helensky: Framed and shipped to a secret prison colony in Greenland—America’s 51st state—David uncovers a deadly government conspiracy. Outnumbered and hunted, escape is his only shot at exposing the truth.

This book is Free on May 20, 2026

Kindle
Left Hanging

Left Hanging FREE by Maria Frankland: I've always suspected I'm not enough for my husband and that he'd come out eventually. But I'll do 'anything' to keep him...

This book is Free on May 20, 2026

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The Downward Dog Cozy Mystery Series

Corpse Pose (The Downward Dog Mysteries Book 1)

Corpse Pose (The Downward Dog Mysteries Book 1) FREE by Hailey Hartley: When a famous wellness guru collapses and dies during Lily Ashton's sunrise yoga class on Seabreeze Pier, whispers of blame threaten her studio's reputation. With her golden retriever Bodhi sniffing out clues and a killer sending warnings to back off, Lily must find her balance, and the truth, before someone else's final pose is permanent.

This book is Free on May 19, 2026

Kindle

Other Books in the series

Twisted Triangle: A Downward Dog Mystery (The Downward Dog Mysteries Book 2) KINDLE
0.99
Healing Hooves: A Downward Dog Mystery (The Downward Dog Mysteries Book 3) KINDLE
0.99
Tranquil Toxins: A Downward Dog Mystery (The Downward Dog Mysteries Book 4) KINDLE
0.99
Heated Justice: A Downward Dog Mystery (The Downward Dog Mysteries Book 5) KINDLE
0.99
Lunar Lies: A Downward Dog Mystery (The Downward Dog Mysteries Book 6) KINDLE
0.99
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