検索キーワード： "CIPHER" ミステリー

FBI Special Agent Nina Guerrera escaped a serial killer’s trap at 16. Years later, when she’s jumped in a Virginia park, a video of the attack goes viral. Legions of new fans are not the only ones impressed with her fighting skills. The man who abducted her 11 years ago is watching. Determined to reclaim his lost prize, he commits a grisly murder designed to pull her into the investigation...but his games are just beginning. And he’s using the internet to invite the public to play along.

Love is in the air in wartime England—but so is murder. Crofter’s Green is abuzz with excitement. Seven young couples are preparing to say their vows at a Valentine's Day celebration—an event made even more thrilling by the expected arrival of a very important (and very secret) guest: the most famous woman in the world.

Palm Sunday brings spring to Crofter’s Green—and a deadly secret. When a postal van crashes outside the Cozy Cup, Dorothy agrees to hold a registered parcel for the shaken driver. Minutes later, the parcel vanishes—and the postman is found murdered. The only clues are an address in London and a faint cipher that points back to St Mary’s Church. As Alice, Blake, Harry, and Evie follow the trail, the Homefront Sleuths uncover a chilling wartime plot that could leave the village in ruins.

My name is Nora Black, local shop owner and part-time psychic consultant in the resort town of Garden Cove. When an anonymous letter in the local paper exposes my extrasensory secret, our normally idyllic town is plagued by a series of mysterious accidents, and I find myself drawn into a deadly game of cat and mouse.

Five ancient statues have been unearthed in South America, each containing a mysterious coded message hinting at an origin many thought impossible: the mythical world of Atlantis. As word of their discovery spreads, the prized figurines become a treasure bounty hunters will kill for. CIA agent Heidi Moneymaker calls in the only team for the job: Guy Bodie and his posse of relic-hunting thieves. If they are to find the ancient civilization, Bodie and his team must decode a series of clues that will take them across the world and to the deepest depths of the ocean.

Dinah Van der Lyn hears the cries for help through her hotel room wall, cries in English in the middle of Beirut. "Help" is the only English word spoken. She thinks the men are simply drunk and fighting. Her mistake is the first step on an odyssey of terror that will take Dinah to the fabled cities of Sidon, Tyro, Damascus.

Salem Wiley is a genius cryptanalyst. She’s also a loner who prefers a safe and familiar path. Until her mother disappears in the wake of a brutal murder, leaving behind a cryptic warning of threats to come. Forced out of her safe zone, Salem embarks with her best friend, Bel, on a dangerous quest that reaches back centuries into America’s hidden history.

1822: Ethan Kane’s quest for the Solakari legacy plunges him into the volatile Creek Nation. A legendary "Creek River Cipher" – a Solakari star chart – is his goal, but the ruthless Alistair Finch and the shadowy "New World Antiquarian Society" want it too, turning sacred lands into a warzone. With Captain Rourke, Cherokee guide Anawa, and Creek survivor Liza, Ethan battles treacherous rivers and deadly ambushes. They unearth the star chart from a desecrated mound, its celestial clues leading them through the haunted "Sanctuary" cave to ancient mounds that further unlock its meaning.

When historian-turned-treasure hunter Ethan Cross is hired to appraise a forgotten WWII collection in rural England, he expects dust, documents, and nothing more. Instead, he discovers a water-stained diary belonging to Lieutenant David Mercer, a British codebreaker who vanished in 1944. The final pages contain a desperate plea, a hidden cipher… and a warning about a relic that "must never be found." Hours later, men posing as antique dealers attempt to steal the diary. Their employer?

When Sean Wyatt and his longtime friend, Tommy Schultz, try to help a troubled Japanese woman, they find themselves right in the thick of a power struggle between some of the most dangerous gangsters in the world. Now Sean and company must race across Japan, unravel clues that were left decades before, and discover the true location of a blade made by the greatest sword maker of all time: Honjo Masamune.

When 12-year-old Valentina fails to return from a visit to her father in Moscow, alarm bells start ringing. Her rich and powerful family know there's one man they can depend on to bring her back safe: former SAS major Ben Hope. But what starts off as an apparently straightforward case of parental child abduction quickly takes on more sinister dimensions as Ben travels to Moscow and starts to investigate the whereabouts of Valentina and her father, Yuri, a man with a hidden past not even his ex-wife knows about. 

Can a painting hold a secret safe in plain sight across seven centuries? The murder of the last member of an old Venetian family peels back the rug on a shocking truth that draws art historian and textile expert Phoebe McCabe into the fray. What she sees in the missing Renaissance symbology will shake the foundations of religious and cultural assumptions across two continents and point the way to a priceless hoard. It’s a secret potent enough to pitch rival factions against Phoebe and her team while destroying history as collateral damage along the way.

From 1939 to 1946 Americans gathered around the radio to listen to The New Adventures of Sherlock Holmes-featuring Basil Rathbone as the high-strung crime-solver and Nigel Bruce as his phlegmatic assistant, Dr. Watson. Witty, fast-paced and always surprising, these great radio plays, written by...

Working for the FBI, cryptanalyst and agoraphobe Salem Wiley vows never to return to the conspiratorial underworld her mother revealed to her. Until fieldwork draws Salem to an Ireland farm where a curious discovery has been unearthed: a near-perfect replica of Stonehenge in miniature—except for one extra stone engraved with the word mercy. When seven-year-old Mercy Mayfair, a child in Salem’s family’s care, is kidnapped, Salem knows it’s more than an unsettling coincidence.

When barista Zoey finds a cryptic code scrawled on a coffee cup at her Seattle café, she’s drawn into a mystery that brews more than just intrigue. Enlisting the help of Spencer, a reserved data analyst with a knack for puzzles, Zoey embarks on a trail of ciphers leading from quirky bookstores to shadowy warehouses. As their puzzle-solving dates spark undeniable chemistry, the code’s secrets unravel a corporate scandal that could scald them both.

Lester Caine, a highly decorated New York City Detective Lieutenant, retired after twenty-five years now in the Private Eye cop business, living in West Palm Beach Florida. He thought it was the perfect place for him, his Cadillac convertible and the tanned socialites of Palm Beach. The murder of Palm Beach Judge Desmond Vanderbilt (from book one, Lester Caine Private Eye-Murder on Palm Beach) drew Lester into the dark side of hunting a Nazi war criminal.