Nicholas Sansbury Smith Books in Order

This short prequel turns toward the ruling side of Tisaia, showing how loyalty, duty, and control operate inside the system the rebels oppose. It adds political backstory to the main novel.

Dr. Sophie Winston enters a biosphere project meant to help humanity reach Mars and walks out into an empty world. People are gone, the water is vanishing, and blue orbs hide a nightmare.

Years before Orbs, scientists Sophie Winston and Emanuel Rodriguez race to understand giant solar flares that do not seem natural. At NASA, they begin to suspect something far worse than climate collapse is approaching Earth.

Obi Hepe and his rebel squad scavenge, fight, and protect civilians beyond Tisaia's reach. This short prequel adds action and ground-level detail to the world of The Tisaian Chronicles.

In post-nuclear Tisaia, survival is tied to whoever controls power, food, and force. This dystopian opener follows people pushed toward rebellion as a rebuilt society reveals how cruel its rules really are.

Delta Force operator Reed Beckham is sent into a dark research facility and discovers a variant strain of Ebola that turns people into monsters. As cities fall, he and virologist Kate Lovato race to stop extinction.

The alien invasion has nearly wiped humanity out, and Sophie's biosphere is splintering under fear and scarcity. When a child is taken, the survivors have to fight back before hiding becomes surrender.

Humans are losing, and Reed Beckham is trapped underground with survivors while Kate Lovato races to build another weapon. A crashing destroyer and a new threat push the war deeper into extinction.

Kate Lovato's weapon ended one nightmare and created another. As Variants evolve and Operation Liberty gears up, Reed Beckham leads a strike into New York knowing the city may be a trap.

Central Command is gone, Team Ghost is battered, and Kate Lovato may not have a weapon strong enough to stop the Variants' next stage. With new allies and worse enemies closing in, time is almost out.

Sophie's team and the submarine survivors unite around strange alien structures that might shut down the invasion. Sabotage, infection, and a signal from Offutt Air Force Base force them to choose between saving Earth and escaping it.

With adult Variants mostly beaten back, Joe Fitzpatrick leads Team Ghost into Europe's next campaign while Reed Beckham and Kate Lovato try to build a quieter life. Peace proves fragile when new monsters, and human threats, emerge.

The remnants of the U.S. government regroup at sea and prepare one final bioweapon strike against the Variants. Reed Beckham must save his captured people before humanity's last gamble becomes another disaster.

This Extinction Cycle tale returns to the early days of the outbreak, following survivors trapped between the spreading virus and the people determined to weaponize it. It widens the series world without losing the close-up terror.

Team Ghost faces a two-front crisis as Variant forces threaten Paris and the United States edges toward civil war. Reed Beckham and his allies fight to save a country, and maybe a species, already breaking apart.

A decade after X fell to Earth, Michael Everhart leads Hell Diver Raptor Team aboard the Hive under an increasingly brutal captain. Prophecy, unrest, and the possibility that X survived push the airship toward crisis.

Hundreds of years after nuclear war, the last humans live on airships and send divers through electrical storms to scavenge the poisoned surface. One mission into Hades uncovers a threat even worse than the wastes.

With the country collapsing after the EMP, Colton, Raven, and Major Nathan Sardetti struggle to keep Estes Park alive. A rescue mission for Charlize Montgomery's son becomes a deadly chase through a broken America.

A month after the attack, anarchy is spreading and Estes Park's homemade defenses no longer feel enough. Marcus Colton and Raven Spears have to prepare their people for a much bigger war.

When an EMP attack cripples the United States, Estes Park police chief Marcus Colton and tracker Raven Spears go from hunting a killer to fighting for their town. The disaster grows into a brutal test of survival and leadership.

Exiled divers escape the surface aboard a new airship and launch a rescue mission for the legendary X. Back on the Hive, Captain Jordan turns murderous as he hunts the crew that found a future without him.

After Operation Redemption fails, Sophie Winston escapes toward Mars while Rick Noble and his crew are trapped aboard an alien ship. The fight for Earth may be slipping away, but the future of humanity is still up for grabs.

Years before the main series, Marine lieutenant Trevor Brett survives a military experiment that turns him into the White Ghost haunting Vietnam. When the men who made him come hunting, monster and makers collide.

With Colton imprisoned and threats closing in, Raven Spears and Lindsey Plymouth try to protect Estes Park from war at home and chaos beyond its borders. Across the country, Charlize Montgomery fights to keep recovery from collapsing.

In this Orbs short story, Jeff and his little brother David survive in tunnels beneath White Sands after the world disappears into blue orbs and alien terror. The boys decide hiding is not enough.

X leads the Sea Wolf across dangerous waters to find the Metal Islands, a possible new home for humanity. Storms, sea monsters, and savage enemies make the voyage as deadly as any dive.

Now king of the islands, X tries to unite sky survivors and Cazadores after a bloody war. Peace is fragile, old loyalties die hard, and the search for more survivors threatens to reopen everything.

X and Magnolia finally reach a habitable paradise, only to discover a violent island society ruled by the cannibal king el Pulpo. To protect his people, X must survive as a prisoner in the promised land.

Nuclear fire clears the field, but the worst enemy still survives. As Ringgold, Kate, Beckham, and Fitz chase the truth behind the New Gods, human collaborators and a stolen warhead make the endgame even deadlier.

The Variants were not dying out, they were breeding below the cities and building a coordinated new war. Team Ghost, Kate Lovato, and scattered outposts scramble to survive a blitz that hits faster than anyone expected.

Eight years after the war, survivors think the Variants are fading and the world is healing. They are wrong, and Beckham, Fitz, and Kate are pulled into a hidden new campaign against a smarter evil.

With the Allied States cornered, Kate Lovato returns to the tunnels and Team Ghost carries home a prisoner who may lead them to the Prophet. Humanity's last stand depends on striking the enemy's leader before time runs out.

Postwar Los Angeles is carved into criminal territories, and both the Morettis and the Salvatores are hunting for leverage. Dominic Salvatore and his elite team try to hold the line as family loyalties pull everyone toward violence.

As the United States slides into civil war, Marine Sergeant Ronaldo Salvatore fights his way back to Los Angeles while crime lord Antonio Moretti builds power in the chaos. Family loyalty becomes its own kind of weapon.

After a costly mission to Rio, the Hell Divers face two enemies at once, returning skin walkers at home and the machine threat beyond the islands. X's injuries and Horn's survival leave the kingdom dangerously exposed.

After E-Day, survivors flee to secret lunar colonies while Akira and Shadow Squad try to stay alive on a ruined Earth. Hidden stations, political lies, and machine enemies make both refuge and resistance dangerous.

Captain Akira Hayashi and Shadow Squad are elite engineered soldiers in a war-torn future where Earth is already dying. When they link to a hybrid human-AI named Apeiron, the fight turns into a battle for the species itself.

A year after defeating the machines, the Vanguard Islands face famine, brutal weather, and fewer safe places to scavenge. Survival now depends on risking deeper red zones and holding a fragile new society together.

Dominic and the Saints go outside the law to break the criminal grip on Los Angeles. At the same time, Antonio Moretti's rise turns the city into a three-way war with blood on every side.

Akira hunts for Apeiron while Tadhg Walsh plans an escape mission from the Moon with a weapon the resistance needs. Earth's last fighters and the lunar colonies must reconnect before the machines finish their reset.

King Xavier sends the airship Vanguard to Queensland in search of the Coral Castle while rumors and shortages strain the home front. Australia brings new terrain, new monsters, and fresh cracks in the alliance.

Two years after the grid went down, Raven Spears is hired to protect a supply train crossing the lawless New Frontier. When raiders strike and a strange virus begins spreading, the job turns into a much bigger conspiracy.

The Rattlesnakes launch coordinated attacks on Colorado infrastructure and threaten to conquer the frontier outright. Raven and Lindsey must track their leader before allies pull out and the whole region tips into war.

A nuclear betrayal destroys much of the Vanguard army, carnivorous vines tear through Panama, and Michael Everhart is framed for murder back home. The survivors have to fight on several fronts just to stay standing.

The Vanguard Islands are no longer hidden, and Xavier passes the crown to Kade Long before heading out with Magnolia to find Michael's family. The survivors split across several dangerous missions just as the end draws near.

A hard-charging science fiction adventure about people forced to survive in a violent, unstable world where the sky itself is part of the threat. Expect high pressure, fast action, and no easy exits.

Colorado is close to collapse, the Wild Fire plague is spreading, and Eddy Nez rules through terror. Raven, Calvin, and Lindsey have one last chance to save the New Frontier.

The Forerunner's surprise attack devastates the Vanguard Islands and forces Kade Long into a desperate peace deal. X and Kade head toward the poles on a mission that could decide humanity's future for good.

Dominic Salvatore leads the Saints into one last brutal push through post-apocalyptic Los Angeles. The final battle is about clearing the city, settling old scores, and surviving long enough to see the result.

Axel survives a rescue but inherits a far larger burden, leading a resistance that may have to unite every species against the Wrath. Jax Brito and Rangnar Soki head out on deadly missions of their own as the war spreads.

Captured by enemies, Axel is forced onto the last Steward ship for a mission to Earth after all contact with the planet goes dark. Elsewhere, his crew and other allies realize the invasion timeline was fatally wrong.

Captain Axel Finn and his alien crew find a relic tied to the ancient Wrath and the legendary Stewards. What should have been a salvage job becomes the start of a war-spanning quest.

Long before the Hell Divers, the Machine War tears Korea apart and leaves humanity facing autonomous killers. Tyron Red, Santiago Rodriguez, and Cecil Pepper are thrown into the early chaos that will shape the ruined future.

Centuries after nuclear war, a young warrior named Rhino rises against the empire that enslaved his people. Set in the harsher ground-level side of the Hell Divers world, it is a brutal origin story with rebellion at its core.

Construction worker Chris Mason watches Manhattan turn into an alien game-world and is chosen as a salvager in the middle of the chaos. To survive, he has to scavenge, build, level up, and keep other humans from selling out the species.

The second Hell Divers prequel pushes deeper into humanity's collapse during the Machine War, carrying the story closer to the ruined world the Divers will inherit. It widens the origin story while keeping the survival pressure high.

Retired Marines Frank Cage and Martin Kelvin are dragged back into service when the ancient alien Hollow return. Age, old trauma, and outdated armor make the mission worse, not easier.

The Old Guns saga continues with more battered soldiers, bigger alien trouble, and another round of hard choices in a war that keeps getting wider. Expect veteran grit, military sci-fi action, and no easy wins.

Chris Mason has saved Manhattan, but now he is stripped of his powers and thrown onto an alien world where he must win over the vicious Rax'Kull. The fight grows from city survival to a cosmic war over Earth's future.

Before they became the Old Guns, Frank Cage and Martin Kelvin entered a quantum corridor where crews kept vanishing. Their search becomes humanity's first brutal close look at an enemy that does not fight by normal rules.

Axel Finn and the Trash Squid crew chase coordinates to a mythical planet before it vanishes. This short side adventure mixes treasure-hunt fun with real danger and fits best after The Last Lion.

Frank and Martin learn the Hollow are only scouts for a genocidal empire, and then Martin is taken. To get him back, Frank has to work with defectors, rookies, and the last people he ever expected to trust.