Dive into the world of Maddie Castle, a retired K9 handler turned private investigator, in this heart-pounding collection of the first three novels in the bestselling series. From gripping mysteries to life-threatening pursuits, Maddie and her canine partners battle danger, corruption, and their own pasts to bring justice to those who need it most.

Don Riley, head of the CIA’s Emerging Threats Group, has never seen anything like this. Riley and his team are tasked with identifying national security threats before they become tomorrow’s bad news. But shortly after an Iranian vessel delivers a surprise attack to a US Navy Warship in the Arabian Gulf, a series of seemingly unrelated attacks crop up around the globe.

When Ben Murdock receives a text message offering a fully operational starship for sale, he’s certain it has to be a joke. Already trapped in the worst day of his life and desperate for a way out, he decides to play along. Except there is no joke. The starship is real. And Ben’s life is going to change in ways he never dreamed possible. All he has to do is sign the contract. Joined by his streetwise best friend and a bizarre tenant with an unseverable lease, he’ll soon discover that the universe is more volatile, treacherous, and awesome than he ever imagined.

After a lifetime of hunting down criminals, Ryan just wants to live out his days in peace and in the shadows of Tokyo to grieve the loss of his wife and son. But his old team - the Nameless, experts in extraction and recon - comes with an urgent request for help. The young daughter of one of his closest friends, a girl he once treated as his own, has been kidnapped.

When you have to kill the same terrorist twice in one week there’s either something wrong with your world or something wrong with your skills - and there’s nothing wrong with Joe Ledger’s skills. And that’s both a good and a bad thing. It’s good because he’s a Baltimore detective who has just been secretly recruited by the government to lead a new task force created to deal with the problems that Homeland Security can’t handle....

Eight years ago, an engineered virus ravaged the globe, infecting and transforming humans into apex predators called Variants. Now, almost a decade after the end of the war, civilization has slowly clawed toward recovery. But evil and intelligent forces dwell in the shadows with the starving beasts, scheming to restart the extinction cycle and end humanity forever. And once again, Beckham, Fitz, and Kate will rise to fight them, joining forces with new heroes to try and save what’s left of the world.

In the year 2107, the world has both made astounding leaps forward and reduced humanity to its most basic existence. While the megacorps and those who rule them enjoy lives of extraordinary comfort and ease, most people barely scrape by, doing whatever they can to keep going. Juliet Bianchi is one of the latter. She works cutting metal in a scrapyard and doesn't have much to show for it except for a small group of equally bereft, fiercely loyal friends. Still, she maintains a bright disposition, possessing more hope and optimism than anyone would expect her to—and she's going to need it.

In a world invaded by demons, it's up to Katie and her Killers to restore order while also evading enemies - and friends - who want her in the worst way.

By the divine promise of sacrifice, he awakened an Ash Angel with a new body, new powers, and a new war to fight. Cassandra, his temperamental trainer, tries to get him ready to battle Ghostpackers and Dreads, but it might be too little too late: for the first time in history, the Ash Angels are faltering against the fury of an evil more ancient than they are. While he fights to survive run-ins with a Sheid-hunted pop star and a gorgeous but dangerous Dread, Trace realizes his new life cannot erase the trauma of the old.

Alex Wolfe is an elite agent with the CIA. He has a proven track record of stopping international bioweapons programs. Skylar Cruz is a skilled Marine whose battlefield injury sidelined her from serving her country. When they’re recruited for a brand-new covert-op group, Vector, combating biological and chemical weapons threats, their first mission had better be a success. Because it’s not just their careers at stake. It’s all of humanity.

Dr. Timothy Ryan, head of the military psychiatric unit at Grantham Barracks, is meeting a new patient, a woman known as Prisoner Alpha. As she is being transferred, they are attacked by assassins, barely escaping with their lives. One shooter vanishes, leaving behind a dead companion unlike anyone Ryan has ever seen. But even more baffling is the puzzle of Alpha herself. She speaks in a strange tongue, and doodles in bars, dots, and little pictures like nothing Ryan has ever seen. Is she some sort of savant, or the most cunning spy he's ever met?

Bic Green, a.k.a. Black Ghost, is a world-class contract killer. Tormented by his inner demons, he clings to absolution from his evils by channeling his funds toward his goddaughter, Gracie, to help in her quest to cure cancer. In his final job, Bic plans each murder meticulously, creating elaborate ways to make each death look accidental.

New York City faces a fate worse than death, the President suspects a traitor in the White House, and an intelligence analyst discovers a diabolical plot.

In the high mountains of Tibet, rumors are spreading. People whisper of an outbreak, of thousands of dead, of bodies pushed into mass graves. It is some strange new disease...a disease, they say, that can kill in minutes. The Chinese government says the rumors aren't true, but no one is allowed in or out of Tibet. At the Pentagon, admiral James Curtiss learns that satellite images prove that a massive genocide is underway. This is no disease. It's a weapons test. Chinese scientists have developed a way to kill based on a person's genetic traits.

An FBI agent hunts a new kind of terrorist through a Washington, DC, of the future in this ground-breaking book - at once a gripping techno-thriller and a fact-based tour of tomorrow. America is on the brink of a revolution, one both technological and political. The science fiction of AI and robotics has finally come true, but millions are angry and fearful that the future has left them behind. After narrowly stopping a bombing at Washington’s Union Station, FBI Special Agent Lara Keegan receives a new assignment: To field-test an advanced police robot.