Nora Kelly, a young archaeologist in Santa Fe, receives a letter written 16 years ago, yet mysteriously mailed only recently. In it her father, long believed dead, hints at a fantastic discovery that will make him famous and rich - the lost city of an ancient civilization that suddenly vanished a thousand years ago. Now Nora is leading an expedition into a harsh, remote corner of Utah's canyon country, but what she unearths will be the newest of horrors.

England, 1925. When a strange young woman is found murdered on the grounds of Unsworth Castle, the duke and his family are astounded at first, but quickly become enraged when the police begin asking all sorts of impertinent questions. And when suspicions dare to fall on one of their own, it is up to Mr. Quayle, Lord Unsworth's exceedingly efficient secretary, to find the true culprit and save the House of Unsworth from scandal and ruin.

At once an incredible adventure narrative and a penetrating biographical portrait, The River of Doubt is the true story of Theodore Roosevelt's harrowing exploration of one of the most dangerous rivers on earth.

Hadrian Blackwater, a warrior with nothing to fight for, is paired with Royce Melborn, a thieving assassin with nothing to lose. Hired by an old wizard, they must steal a treasure that no one can reach. The Crown Tower is the impregnable remains of the grandest fortress ever built and home to the realm’s most prized possessions. But it isn’t gold or jewels that the wizard is after, and if he can just keep them from killing each other, they just might succeed.

If you’re a fan of fiction that is more than just black and white, this latest story collection from number-one New York Times best-selling author George R. R. Martin and award-winning editor Gardner Dozois is filled with subtle shades of gray. Twenty-one all-original stories, by an all-star list of contributors, will delight and astonish you in equal measure with their cunning twists and dazzling reversals. And George R. R. Martin himself offers a brand-new A Game of Thrones tale chronicling one of the biggest rogues in the entire history of Ice and Fire.

Jason Walker has often wished his life could be a bit less predictable--until a routine day at the zoo ends with Jason suddenly transporting from the hippo tank to a place unlike anything he's ever seen. In the past, the people of Lyrian welcomed visitors from the Beyond, but attitudes have changed since the wizard emperor Maldor rose to power. The brave resistors who opposed the emperor have been bought off or broken, leaving a realm where fear and suspicion prevail.

Thirteen-year-old Sam Shelton is the only person in Avalon who can't use the magical power of aether. He's also the only person in Avalon with a bag of high-tech spy gear, a solar-powered cell phone with intermittent signal back to Earth, a YouTube account, and a murderous wizard-emperor on his tail. So he's got a lot going for him. When an earthquake hits his hometown of Bozeman, Montana, Sam gets inexplicably transported to Avalon, a strange world in which aether defines all aspects of life: the rich, the poor, the weak, the powerful, the oppressed, and the oppressors.

You will never read Denny Younger's name in any history book, will never know what he's done. But even if you did, you'd never believe it. The world as you know it wouldn't be the same without him. Denny was born into one of the lowest rungs of society, but his bleak fortunes abruptly change when the mysterious Upjohn Institute recruits him to be a Rewinder, a verifier of personal histories. The job at first sounds like it involves researching old books and records, but Denny soon learns it's far from it.

Historian Rafael Ward is a good citizen, teaching students the government approved narrative of the nation's history. Until the black-baggers come calling. They have a job for him, one he's not allowed to refuse: Ward must go undercover as a Believer and smuggler to hunt down and destroy the artifacts he cherishes. Before he knows it, he's following fugitive Hannah MacKenzie on a fool's quest to recover the legendary Vase of Soissons, a Dark Age relic prophesized to restore faith to the world.

When a moose is found on a portion of desolate African coastline, numerous people race to either help or hinder his plight. Befriended by a young local boy who vows to be the moose's friend and protector, the pair set off on an accidental adventure across the African wilderness.

Can she solve the crime before they uncover her true identity? Jobless and down to her last dime, Ellie Moore hears about a position with the Pinkerton Detective Agency and believes it’s the perfect chance to put her acting skills and costumes to use. Reluctantly, the agency agrees to give her one assignment, one chance to prove herself. Disguised as Lavinia Stewart, a middle-aged widow, Ellie travels to Arizona to begin her investigation. When the need arises, she also transforms into the dazzling Jessie Monroe, whose vivacious personality encourages people to talk.

The greatest military leader of his time. The most talented code breaker her people have. Sworn enemies. When deadly secrets from the ancient past are unearthed, secrets capable of fracturing the world and destroying all life on the planet, these two enemies will have to work together. They are humanity's only hope.

An explosion in the middle of the night reduces part of Paris' esteemed Pasteur Institute to rubble. Among the missing is the world's top computer scientist, Emile Chambord. Even though a terrorist group claims responsibility for the bombing, many in the intelligence community suspect the scientist was actually kidnapped and the bomb set to divert attention. Chambord may have been close to devising a working molecular computer which, in the wrong hands, could be the most deadly weapon in the world. If he were now in the hands of hostile forces, the consequences would be unspeakably dire.

A frontier world. One sheriff. And all the action one spaceport can't hold. Darklanding is the wild, wild west of known space. Sheriff Thaddeus Fry will never completely leave the battlefields of Centauri Prime. His assignment as the sheriff of Darklanding could be a do-nothing job, or it could get him killed.

The plan was simple. Ethan Cheeseman, along with his three smart, polite, and relatively odor-free children, would travel back in time to end a family curse and save their mother. Now that the LVR (a super-secret time machine) is working, it’s easy peasy. Except they didn’t account for one basic rule of science: Murphy’s Law — if something can go wrong, it will.