When the National Security Agency’s invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls its head cryptographer, Susan Fletcher, a brilliant, beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage…not by guns or bombs but by a code so complex that if released would cripple U.S. intelligence. Caught in an accelerating tempest of secrecy and lies, Fletcher battles to save the agency she believes in.

Deep in the Afghan mountains, Sergeant Michael Pitcher discovers an object with powers that defy explanation. After interacting with it, he suffers a traumatic seizure and is flown home for evaluation. Cleared by the doctors, Michael goes home to his relieved wife, Josie. But he’s a changed man. The once-loving husband is now coldly withdrawn. When a team of scientists connected to Sergeant Pitcher vanishes without a trace, CIA agent Dean Ninemeyer comes to him for insight - only to find that the recovering soldier has also disappeared.

In the near future, the nano-drug Nexus can link mind to mind. There are some who want to improve it. There are some who want to eradicate it. And there are others who just want to exploit it. When a young scientist is caught improving Nexus, he’s thrust over his head into a world of danger and international espionage, with far more at stake than anyone realizes.

Growing up, Bianca St. Ives knew she was different from all her friends. Instead of playing hopscotch or combing her dolls' hair, she studied martial arts with sensei masters and dismantled explosives with special-ops retirees. Her father prepped her well to carry on the family business. Now a striking beauty with fierce skills, the prodigy has surpassed the master.

Hyperville is 2013's top hi-tech, 24-hour entertainment complex - a sprawling palace of fun under one massive roof. You can go shopping, or experience the excitement of Doomcastle, Winterland, or Wild West World. But things are about to get a lot more exciting - and dangerous! What unspeakable horror is lurking on Level Zero of Hyperville? And what will happen when the entire complex goes over to Central Computer Control?

The final skull has been found. Now, all hell's breaking loose. For 2,000 years, the Triarii have protected us, influencing history from the Crusades to the discovery of America. Descending from the Roman Empire, they pervade every level of society and are now in a race with our own government to retrieve an ancient artifact thought to have been lost forever.

Mia trembles as she reads the letter that arrives from Ridley Prison. Seduction. Rope ties. Descriptions of things Mia has never experienced or known. The man's words are desperately passionate. He longs for a woman who must have given him a fake address. Mia's address. She plans to send the letter back. He's a convicted felon. But his words gnaw at her. She's never done anything dangerous. And no man has ever talked to her like this. So Mia writes him, pretending to be the woman he desires.

In the mid-23rd century, Darwin, Australia, stands as the last human city on Earth. The world has succumbed to an alien plague, with most of the population transformed into mindless, savage creatures. The planet’s refugees flock to Darwin, where a space elevator—created by the architects of this apocalypse, the Builders—emits a plague-suppressing aura.

From the point of view of 2050, you're history. Theological warfare. Elvis on an epic time-travel journey - the Presliad. Buddhavision - a network bigger than God (and more powerful, too). Nasty nuclear leftovers. Naughty sex habits. Dalai Dan (the 153rd reincarnation of the Lama of that ilk) and Barry, the talkative Time Sprout. Even with all this excitement, you wouldn't think a backwater planet like Earth makes much of a splash in the galatic pond.

For a few moments this afternoon, it rained on the moon...' An astronaut in full spacesuit appears out of thin air in a busy shopping centre. Maybe it's a publicity stunt. A photo shows a well-dressed woman in a red coat lying dead at the edge of a crater on the dark side of the moon - beside her beloved dog 'Poochie'. Maybe it's a hoax. But as the Doctor and Amy find out, these are just minor events in a sinister plan to take over every human being on Earth.

Sigrid and Suko are two girls from the impoverished and crime-infested streets of 24th century Earth. Sold into slavery to save their families from financial ruin, the girls are forced to live out their lives in service to the Kimura Corporation, a prestigious mercenary clan with a lineage stretching back long before the formation of the Federated Corporations.

In the far future, mankind lives safe and secure behind the Chronos Ring - an automatic defense system that encircles the area of space occupied by human beings. The Ring keeps out all of humanity's enemies - in particular, a vicious race of reptilians known as the Parsnaak. On the outer fringe of human-occupied space is the planet Muse, an entire world dedicated and established as a colossal museum - a storehouse of antiquities and relics from the ancient histories of both men and aliens.

It's the mid-21st century. The oceans are rising, the world's population is growing, terrorist organizations are running rampant, and it has become readily apparent that humanity's destructive nature is at the heart of the matter. When all faith in humanity seems lost, a startling proposal is announced: Solomon Chavez, the mysterious son of the world's first trillionaire, announces that he, backed by a consortium of governments and wealthy donors, will build an interstellar starship.

A storm is brewing: the water levels of the Bristol Channel are inexplicably rising, and Cardiff Bay is under threat from the worst flooding in years. In the midst of the climate chaos, Torchwood is called to investigate a series of gruesome murders.

‘There's no end to the horror in this place - it's like Hell, and there are devils round every corner.’ On Leisure Platform 9 gamblers and villains mix with socialites and celebrities. It’s a place where you won’t want to win the wrong game. With Rory kidnapped by a brutal crime lord, the Doctor and Amy infiltrate a deadly contest where fugitives become the hunted. But how long before they realise the Doctor isn’t a vicious mercenary and discover what Amy is up to?