Science Fiction Mystery

When Percy Jackson receives an urgent distress call from his friend Grover, he immediately prepares for battle. He knows he'll need his powerful demigod allies, Annabeth and Thalia, at his side; his trusty bronze sword, Riptide; and...a ride from his mom.

On December 7, 1941, the Japanese launched an attack against U.S. naval forces stationed in Pearl Harbor, Hawaii. But what if the Japanese followed up their air assault with an invasion and occupation of Hawaii? This is the question explored by Harry Turtledove in Days of Infamy, with frightening implications.

Meet the the Immortal Doc Holliday. Over a hundred years ago, notorious gambler Doc Holliday chose immortality over death, not knowing the price, but damned if it hasn’t been fun. Partying, playing, killing; yes, eternal life has been good. But now, Doc must repay his debt by saving Sofia, the last descendant of the beautiful shaman who granted him immortality.

A series of grisly murders rocks London. At each location, only a jumble of bones remains of the deceased, along with a bizarre sphere covered in strange symbols. The son of the latest victim seeks the help of Sherlock Holmes and his former partner, Dr. John Watson. They discover the common thread tying together the murders. Bizarre geometries, based on ancient schematics, enable otherworldly creatures to enter our dimension, seeking to wreak havoc and destruction.

Graphic designer Sonya MacTavish is stunned to learn that her late father had a twin he never knew about—and that her newly discovered uncle, Collin Poole, has left her almost everything he owned, including a majestic Victorian house on the Maine coast, which the will stipulates she must live in for at least three years. Her engagement recently broken, she sets off to find out why the boys were separated at birth—and why it was all kept secret until a genealogy website brought it to light.

Although he hasn’t seen Robert Bergin for 40 years, Ishmael feels duty bound to respond when his old friend calls for help. Robert’s daughter Gillian is about to be married, and he is afraid she’ll fall prey to the ancient family curse. Arriving in rural Yorkshire, Ishmael and his partner Penny learn that the vicar who was to perform the ceremony has been found dead in the church, hanging from his own bell rope. With no clues, no evidence, and no known motive, many locals believe the curse is responsible. Or is someone just using it as a smokescreen for murder?

Waking up in a tacky coffin and wearing off-brand shoes, Betsy Taylor can't believe the horrible turn her life has taken; then she discovers she's a vampire. Soon, Betsy becomes a participant in a power struggle between the forces of darkness. With only her friend Jessica and the hunky vampire Sinclair to help her, this new "Queen of Vampires" will have a tough time getting her afterlife straight.

Morgan Rowlands loves Cal Blaire. He taught her about Wicca and helped her find out who she is. But now they share a secret. A terrible, dark secret that binds them together, even as it tears them apart.

The Alaskan wilderness is a harsh landscape in the best of conditions, but with a pack of rogue werewolves on the loose, it's downright deadly. Elena Michaels, the Pack's chief enforcer, knows all too well the havoc "mutts" can wreak. When they hear of a series of gruesome maulings and murders outside Anchorage, she and her husband, Clay, journey to Alaska in the dead of winter in order to hunt down the dangerous werewolves.

May 20, 2019: Homicide detective Mallory is in Edinburgh to be with her dying grandmother. While out on a jog one evening, Mallory hears a woman in distress. She’s drawn to an alley, where she is attacked and loses consciousness. May 20, 1869: Housemaid Catriona Thomson had been enjoying a half-day off, only to be discovered that night in a lane, where she’d been strangled and left for dead. When Mallory wakes up in Catriona's body in 1869, she must put aside her shock and adjust quickly to the reality.

In the dead of winter, an EMP attack destroys the U.S. power grid. No electricity. No cars or phones. The country is plunged into instant chaos. But for Hannah Sheridan, it's the best day of her life. For the last five years, she's been the captive of a sadistic psychopath—until the EMP releases the lock of her prison.

This is the way the world ends: with a nanosecond of computer error in a Defense Department laboratory and a million casual contacts that form the links in a chain letter of death. And here is the bleak new world of the day after: a world stripped of its institutions and emptied of 99 percent of its people. A world in which a handful of panicky survivors choose sides - or are chosen.

Darcy Ingram's time in supernaturally-tinged Brookhaven has been anything but idyllic. She solved one murder, but now a friend is begging for help finding his missing sister. A day cruise with her co-workers sounds like just the break she needs. But when a passenger dies under unusual circumstances, she finds herself tangled up in another mystery.

Ever since the tragic death of his parents, Porsche's life has been a balancing act between attending college and bartending to support his younger brother and pay off his deadbeat uncle's gambling debt. When he witnesses a gang of thugs attacking a handsome young man in the alley behind his bar, he's reluctant to intervene--until he's offered fifty thousand baht to help the stranger escape. The stranger is known as Kinn, the second son of a notorious crime family.

A supervolcanic eruption in Yellowstone Park sends lava and mud flowing toward populated areas, and clouds of ash drifting across the country. The fallout destroys crops and livestock, clogs machinery, and makes cities uninhabitable. Those who survive find themselves caught in an apocalyptic catastrophe in which humanity has no choice but to rise from the ashes and recreate the world.

I am a weed. Unloved by my abusive, alcoholic dad. Unwanted by my classmates. Unnoticed by everyone else. But I'd suffer anything to give my kid sister a better life - the minute I turn 18, I'm getting us the hell out of here. And some hot stranger telling me I am the key to stopping a war between Heaven and Hell isn't going to change that. Let the world crumble and burn, for all I care. Draven is relentless, though. And very much a liar. Every time his sexy lips are moving, I can see it - even if my heart begs me to ignore the signs. So what does he want?

When Earth failed, it sent out arkships to establish new outposts. So the spaceship Enkidu and its captain, Heorest Holt, carried its precious human cargo to a potential new paradise. Generations later, this fragile colony has managed to survive on Imir, eking out a hardy existence. Yet life is tough, and much technological knowledge has been lost. Then strangers appear, on a world where everyone knows their neighbour.

At the age of nine, I mistakenly touched someone else, giving him excruciating pain. Through that awful experience, I found out that a graze of my fingertips could torment any being with dragon blood. Because I was surrounded by them in my kingdom, my ability labelled me as cursed. I promised myself to never be shunned away again. That I had to be someone important for people to look up to. A crucial vote was coming up, and I would do anything to win it. Then I met them. Four hidrae princes, dragon-shifters of the most powerful kind, who were immune to my abilities.

Fired at almost the same time as her son, Clark, is diagnosed with autism spectrum disorder, former film critic turned teacher Lois Cairns is caught in a depressive downward spiral, convinced she's a failure who's spent half her adult life writing about other people's dreams without ever seeing any of her own come true.

On the eve of the U.S. invasion of Baghdad, as the world waits for war, a miles-high energy wave cordons a vast area from southern Canada to northern Mexico. In a moment, 99 percent of the U.S. population has been wiped from the face of the earth.