Nicholas Sansbury Smith

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago....

In the brutal wasteland centuries after the nuclear apocalypse, a warrior baptized in blood will defy the brutal empire that has enslaved his people.

Central Command is gone, the military is fractured, and the surviving members of Team Ghost, led by Master Sergeant Reed Beckham, have been pushed to the breaking point....

Across the world, the United States recalls troops to combat civil unrest after the biggest economic meltdown in history. Marine Sergeant Ronaldo Salvatore’s platoon comes home to a powder keg that could ignite a civil war....

After a long and bloody battle, legendary Hell Diver Xavier Rodriguez reigns as the dutiful but reluctant new king of the islands. Advised by a council of former sky citizens as well as Cazadores, he works to assimilate the two societies peacefully....

The battle for Panama is over, and King Xavier Rodriguez secretly deploys the airship Vanguard to Queensland. The hunt for the Coral Castle is on. The rest of the fleet returns to the Vanguard Islands with new ships and supplies, but tensions rise....

While the Hell Divers cross an ocean to battle the machines, an old flesh-and-blood threat returns to the islands....

Left for dead on the nightmarish surface of the planet, Commander Michael Everhart and his team of Hell Divers barely escape with their lives aboard a new airship called Deliverance. After learning that Xavier "X" Rodriguez may still be alive, they mount a rescue mission....

The Sea Wolf sets out to search for the Metal Islands. Leading the expedition is legendary Hell Diver Xavier Rodriguez. After enduring for a decade on the poisoned surface, his survival skills will be put to the test on the dangerous open seas....

After a long, perilous journey, Hell Divers Xavier Rodriguez and Magnolia Katib discover the Metal Islands, a sunny, habitable zone where thousands of people live by fishing and farming. But this "paradise" is really a violent warrior society ruled by the cannibal King el Pulpo....

A year has passed since the Hell Divers defeated the machines at Kilimanjaro. The freed captives have settled into their new home at the Vanguard Islands, joining survivors from around the world. But extreme weather and failed crops have raised the specter of famine....

Ripped from the headlines, the Trackers saga is a realistic depiction of what an EMP attack and the aftermath might look like from one of the genre's leading voices, USA Today best-selling author and former Homeland Security disaster mitigation officer Nicholas Sansbury Smith.

In a shocking betrayal, Captain Rolo has vaporized the supercarrier Immortal with a nuclear warhead, all but wiping out the Vanguard army. Little does he know that King Xavier and the surviving Hell Diver and Cazador teams from Brisbane were not aboard....

Engines. Genetically modified warriors that keep the great Nova Alliance war machine churning against the enemy Coalition. Most days, Engines are all that stand between salvation and chaos....

Tired from years of fighting, Xavier passes the crown to a younger Hell Diver, Kade Long, and then sets off on the Sea Wolf with Magnolia to find Michael and his family. But the journey will push them both to their limit....

Ten years ago, Hell Diver Xavier "X" Rodriguez fell to Earth. Those he left behind went on without him aboard the airship he once called home....

One month after the defeat of a rogue group of terrorists, the United States struggles to maintain control over the New Frontier. The untamed sector of America simmers as opportunists, criminals, and marauders wait to fill the void left behind....

On the moon, Ronin Hayashi trains to protect the colonies from the inevitable invasion of the machines. While he prepares to stand his ground, Sergeant Tadhg Walsh is planning an escape mission to deliver a weapon to the resistance on Earth....

New York Times best-selling author Nicholas Sansbury Smith presents this collection of the entire best-selling Orbs series....

E-Day: The moment the machines evolved and humans nearly went extinct. In the chaos, one million people escaped Earth and fled to a secret colony on the dark side of the Moon.