Delta Force is the most dangerous elite counterterrorism force on the planet. The deadliest shooters and most out-of-the-box thinkers in any military organization, Delta recruits will die to get the mission done. If the training doesn't kill them, their passion may - but sergeants Kyle Reeves and Carla Anderson blast right in. Show no fear. Have no fear. Then they get the call.

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!

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.