Two brilliant minds. An advent calendar. One impossible assignment. Dr. Alice Thompson discovers a covert strategy to create diplomacy with the most reclusive nation on the planet. She needs all the help she can get.

Johnny Akbar Jepps, lead smokejumper for Mount Hood Aviation, is always first out of the plane, first into the fire, and first with the ladies. But the one thing he never puts on the line? His heart. Until he meets a woman who gallops away with it. Laura Jenson, wilderness guide and expert horsewoman, leads tourists from the Mount Hood Timberline Lodge into the wilds of Oregon. She knows the game and has no interest in some lady-killing, full-of-himself smokejumper. Not until Johnny lights her heart on fire. They both risk everything without getting burned in the Wildfire at Dawn.

Delta Force recon specialist Hannah Tucker needs out of the Colombian jungle and she needs out now. Night Stalker pilot Jesse Johnson aims to oblige...until his helicopter is shot down. He finds that more than a little inconvenient. Stalked by guerillas, crocodiles, and other jungle unfriendlies, they must learn to control skills they never knew they had - or even existed! Together they discover an unpredictable psychic ability to project sound and distract their enemies. Though the crocodiles remain unimpressed.

Chelsea Bridges’ first trip to Montana lands her at Mark Henderson and Emily Beale’s family ranch. In the past, she pursued adventure from hiking the Continental Divide Trail to trekking in Nepal, but a horse ranch provides whole new world of wonders. Doug Daniels spent three tours in the Navy before he became foreman at the ranch. He has finally found his home. Nothing prepares them for the surprises that await during Christmas at Henderson’s Ranch.

Drone: A rebel CIA director takes on China and almost turns a trade war into a real one. Thunderbolt: A US senator's scam has North Korea prepping their nukes. Condor: A shot at the intelligence jackpot of a lifetime occurs, deep in the heart of Russia. At the center of all three? Miranda Chase: Air-crash genius investigator for the NTSB, team leader, and high-functioning autistic. What's at risk if she doesn't solve the crash and the crises? Everything!

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....

John Dempsey's life - as an elite Tier One Navy SEAL named Jack Kemper - is over. A devastating terrorist action catapults him from a world of moral certainty and decisive orders into the shadowy realm of espionage, where ambiguity is the only rule. His new mission: hunt down those responsible for the greatest tragedy in the history of the US Special Ops and bring them to justice.

For years, ex–Navy SEAL Maxwell Moore has worked across the Middle East and behind the scenes for the Special Activities Division of the CIA, making connections, extracting valuable intelligence, and facing off against America’s enemies at every turn. And then...news of a potentially devastating coalition: What if two of the greatest threats to the security of the United States were to form an unholy alliance?

When you're the best at what you do, it's not always easy to walk away. Nathan McBride was retired. The trained Marine sniper and covert CIA operative had put the violence of his former life behind him. But not anymore. A deep-cover FBI agent has disappeared along with one ton of powerful Semtex explosive, enough to unleash a disaster of international proportions. The U.S. government has no choice but to coax Nathan out of retirement.

Meet Kolt Raynor. A Delta Force operator and one-time American hero, he is still trying to make sense of his life - and duty - after a secret mission gone bad. Three years ago, in the mountains of Pakistan, Raynor made a split-second decision to disobey orders - one that got some of his teammates killed and the rest captured. Now he’s been given a second chance to do right by his country, his men, and himself. But Raynor’s shot at redemption comes at a price.

Michael Valentine, veteran and former member of an elite private military company, has been recruited by the government to conduct a secret counter-terror operation in the Persian Gulf nation of Zubara. The unit is called Dead Six. Their mission is to take the fight to the enemy and not get caught. Lorenzo, assassin and thief extraordinaire, is being blackmailed by the world's most vicious crime lord. His team has to infiltrate the Zubaran terrorist network and pull off an impossible heist or his family will die.

John Wells is the only American CIA agent ever to penetrate al Qaeda. Since before the attacks in 2001, Wells has been hiding in the mountains of Pakistan, biding his time, building his cover.

Eric Steele is the best of the best - an Alpha - an elite clandestine operative assigned to a US intelligence unit known simply as the "Program". A superbly trained Special Forces soldier who served several tours fighting radical Islamic militants in Afghanistan, Steele now operates under the radar, using a deadly combination of espionage and brute strength to root out his enemies and neutralize them.

A terrorist bomb explodes during a South Korean celebration of the anniversary of the election of its first president. Alarms are raised in Washington. No one is claiming responsibility. The first suspect is North Korea. Could it be making a power play against South Korea and unification? If so, how will the U.S. respond? Paul Hood, Director of the Op-Center, must answer these questions. The Op-Center, a largely autonomous new agency which takes on the government's toughest security problems, is only six months old, and has never been given a foreign crisis until now.

Vick "The Reaper" Harwood is an esteemed sniper with a record kill count - 33 kills in 90 days - when he is knocked out under mortar attack in Afghanistan. He wakes up back in the United States with little memory of what happened, his spotter and gun both unrecovered from the battlefield. Harwood has resigned himself to slowly picking up the pieces of his life. But when a series of assassinations start occurring in the area, Harwood can't explain why he just happens to be nearby for each killing - or how a sniper rifle that matches the description of the one he lost seems to be involved.