An Invisible Betrayal

Author: Sam Burnell

Category: Mystery

Regular price: $0.99

Deal price: Free

Deal starts: May 28, 2026

Deal ends: May 28, 2026

Description:

When the predator becomes the prey… blood will run in the gutters of Tudor London.Myles Devereux rules the streets. A ruthless gangster in the lawless underbelly of Tudor London, he controls the brothels, the taverns, the enforcers — and everyone knows not to cross him.But someone just did.His bookkeeper turns up dead. His debtors are being picked off one by one. And now the sheriff’s men are at his door, accusing him of murder.Then the Queen’s emissary arrives with a more dangerous accusation: heresy — and death by fire.This is no random attack. It’s a carefully laid trap.Hunted by the law and betrayed from within, Devereux must uncover who is behind the killings before the hangman’s noose — or the flames — find him first.Step into the brutal world of Tudor London’s criminal empire, where deceit is currency, power is survival, and mercy is for the dead.Buy now and discover the dark heart of history in this gritty Tudor crime thriller.

The Penguin Pool Murder

Author: Stuart Palmer

Category: Mystery

Regular price: $9.99

Deal price: $0.99

Deal starts: May 27, 2026

Deal ends: May 27, 2026

Description:

On a trip to the New York Aquarium with her third-grade class, a teacher discovers a dead body: "One of the world's shrewdest and most amusing detectives" (The New York Times).  For the third graders at Jefferson School, a field trip is always a treat. But one day at the New York Aquarium, they get much more excitement than they bargained for. A pickpocket sprints past, stolen purse in hand, and is making his way to the exit when their teacher, the prim Hildegarde Withers, knocks him down with her umbrella. By the time the police and the security guards finish arguing about what to do with Chicago Lew, he has escaped, and Miss Withers has found something far more interesting: a murdered stockbroker floating in the penguin tank. With the help of Detective Oscar Piper, this no-nonsense spinster embarks on her first of many adventures. The mystery is baffling, the killer dangerous, but for a woman who can control a gaggle of noisy third graders, murder isn't frightening at all. The Penguin Pool Murder is part of the Hildegarde Withers Mysteries series, which also includes Murder on the Blackboard and Murder on Wheels.

The Documents in the Case

Author: Dorothy L. Sayers

Category: Mystery

Regular price: $8.69

Deal price: $0.99

Deal starts: May 27, 2026

Deal ends: May 27, 2026

Description:

A writer turns amateur sleuth when his former roommate is suspected of murder in this epistolary mystery from one of the acclaimed Queens of Crime.When a fungi expert is found dead after feasting on poisonous mushrooms, everyone assumes he died by suicide. Everyone, that is, except the man's son, Paul Harrison, who is certain his father would never make such a deadly mistake. Harrison's suspicions of foul play are heightened when he learns his young stepmother was having an affair. Despite her lover's airtight alibi, Harrison is determined to uncover the truth with the help of the man who used to share a flat with the suspected killer.Writer John Munting has his own suspicions about his one-time flatmate. Drawn into helping Harrison, the documents in the case are pulled together—a trail of letters that leads to one murderous conclusion. . . ."One of the greatest mystery writers of [the twentieth] century." —Los Angeles Times

Tune Up (Detective Qigiq Book 2)

Author: Joe Klingler

Category: Mystery

Regular price: $2.99

Deal price: Free

Deal starts: May 23, 2026

Deal ends: May 27, 2026

Description:

On their second case, Qigiq and Kandy are loaned to the Traffic Division to investigate an early morning accident. Hit and run. By a motorcycle. The victim is an elderly Asian woman. A young witness in a nearby dry cleaner and a truck driver suggest all “accidents” aren’t created equal. Then the Captain drops a new assignment on their desk: an affluent Bay Area lawyer is missing. The man’s wife stomps into their office screaming about a contract she found hidden in the backups of their home computer. A contract with a seven-figure payout, and an incriminating Exhibit A.

Following the trail of both the motorcycle rider and the lawyer with Kandy complaining, “We’re homicide detectives, there should be a body,” leads to a vintage motorcycle club called the Ton Up where lips are sealed, a yacht harbor on the coast where riddles run deep, and a midnight roadside confrontation that ends with a splash. As the trails twist they soon find that these people and places have one thing in common:

A violist named Mylin. Who plays in an all-female orchestra called The Girls of the Orient. And, unbeknownst to her, is the subject of a fine-art photographer’s latest collection.

From San Francisco to Mexico, the treacherous cliffs of the Pacific coast to the desolation of Nevada’s high desert, Tune Up moves like Kandy’s turbocharged Mini through a foggy landscape of false identities, fake romance, and frenzied chases, as Qigiq realizes one picture really can reveal more than 1,000 words.

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Tune Up (Detective Qigiq Book 2)

Author: Joe Klingler

Category: Mystery

Regular price: $2.99

Deal price: Free

Deal starts: May 23, 2026

Deal ends: May 26, 2026

Description:

On their second case, Qigiq and Kandy are loaned to the Traffic Division to investigate an early morning accident. Hit and run. By a motorcycle. The victim is an elderly Asian woman. A young witness in a nearby dry cleaner and a truck driver suggest all “accidents” aren’t created equal. Then the Captain drops a new assignment on their desk: an affluent Bay Area lawyer is missing. The man’s wife stomps into their office screaming about a contract she found hidden in the backups of their home computer. A contract with a seven-figure payout, and an incriminating Exhibit A.

Following the trail of both the motorcycle rider and the lawyer with Kandy complaining, “We’re homicide detectives, there should be a body,” leads to a vintage motorcycle club called the Ton Up where lips are sealed, a yacht harbor on the coast where riddles run deep, and a midnight roadside confrontation that ends with a splash. As the trails twist they soon find that these people and places have one thing in common:

A violist named Mylin. Who plays in an all-female orchestra called The Girls of the Orient. And, unbeknownst to her, is the subject of a fine-art photographer’s latest collection.

From San Francisco to Mexico, the treacherous cliffs of the Pacific coast to the desolation of Nevada’s high desert, Tune Up moves like Kandy’s turbocharged Mini through a foggy landscape of false identities, fake romance, and frenzied chases, as Qigiq realizes one picture really can reveal more than 1,000 words.

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Maids of Misfortune

Author: M. Louisa Locke

Category: Mystery

Regular price: $0.99

Deal price: Free

Deal starts: May 25, 2026

Deal ends: May 25, 2026

Description:

First book in the USA Today bestselling Victorian San Francisco Mystery series.It’s the summer of 1879, and Annie Fuller, a young San Francisco widow, is in trouble. Annie’s husband squandered her fortune before committing suicide five years earlier, and one of his creditors is now threatening to take the boardinghouse she owns to pay off a debt.Annie Fuller also possesses a secret. She supplements her income by giving domestic and business advice as Madam Sibyl, one of San Francisco’s most exclusive clairvoyants, and one of Madam Sibyl’s clients, Matthew Voss, has died. The police believe his death was suicide brought upon by bankruptcy, but Annie believes Voss has been murdered and that his assets have been stolen.Nate Dawson wrestles with a difficult decision. As the Voss family lawyer, he would love to prove that Matthew Voss didn't leave his grieving family destitute. But that would mean working with Annie Fuller, a woman who alternatively attracts and infuriates him as she shatters every notion he ever had of proper ladylike behavior.Sparks fly as Anne and Nate pursue the truth about the murder of Matthew Voss in this light-hearted, cozy historical mystery set in the foggy, gas-lit world of Victorian San Francisco.Maids of Misfortune is the first book in M. Louisa Locke’s USA Today bestselling Victorian San Francisco mystery series, followed by Uneasy Spirits, Bloody Lessons, Deadly Proof, Pilfered Promises, Scholarly Pursuits, and Lethal Remedies. Locke’s shorter works, collected in Victorian San Francisco Stories: Vols 1 and 2, and Victorian San Francisco Novellas, feature beloved minor characters from the series. There are also two boxed sets of the novels, Victorian San Francisco Mysteries: Books 1-4 and Victorian San Francisco Mysteries: Books 5-7.