The central novels
The main narrative line of Code Gaia. Three books are currently available; the larger series continues beyond them.
The events described in Code Gaia do not begin with the novel.
They begin with anomalies —
recorded, measured, and left without explanation.
At first, they seem isolated.
Until the patterns start repeating.
At sea, courage and fear weigh the same.
Amado stood at the helm, one hand near the throttle, the other rubbing the bone charm tied around his wrist. It had belonged to his grandfather: a small thing, yellowed by salt and years, carried more from habit than belief. So he told himself.
Behind him, the crew laughed over the morning haul. Someone had money on tuna. Young José — out this far for the first time — said he'd put his on squid, and the others jeered.
"You hear that?" Benito called. "The boy came for calamari, not a catch!"
José flushed and tried to laugh with them. He did not yet know where the joke ended and the sea's real test began.
The voices carried easily across the deck — too easily for that morning, too bright for water that had gone so suddenly still.
The sea had gone flat.
Not calm. Flat — which was not the same thing.
No roll under the hull. No long lift and fall of the Philippine Sea, the breathing Amado had known since boyhood. The surface lay dull and heavy. Even the glare on it seemed dimmed, drained of any living tremor.
Somewhere below the deck, a low vibration moved through the planking.
Not engine. Not wind. Not wave.
Amado stopped rubbing the charm.
He breathed in. Salt. Diesel. Wet rope. Fish. And under all of it, a faint trace of metal that did not belong.
"Something's wrong," he said.
Benito, the bosun, who had been laughing with the rest a moment earlier, came to the rail. He looked down, then aft, where the nets lay.
"Cap."
Amado turned.
The grin was gone from Benito's face.
"No fish."
At first light, Mark Stetson walked the wet line of the beach with his shoes in one hand and Buddy ranging ahead of him.
The tide had turned not long before. It left the sand firm under his feet, cold at the surface, soft beneath. Each step filled slowly with water, then lost its shape when the next wash came in.
Buddy ran along the edge of the surf, his yellow coat already wet with foam. He charged at the water, backed away from it, then plunged in again as if the ocean had invented the game just for him. Every few yards he looked back to make sure Mark was still there.
Mark was still there.
He moved without hurry, but not without attention. The gulls were already working the shallows. A line of cloud sat low over the far water, pale at the edges. The sun had not cleared the horizon yet, and broken light moved across the ocean.
He breathed in through his nose.
Salt. Kelp. Damp sand. The faint oil smell from boats farther down the coast.
A normal morning.
That was why he had come out early. Before the briefing rooms, before the models, before the numbers on a screen turned weather into warnings and probabilities. Out here, weather still had weight. It reached the body first. Temperature. Pressure. A shift in the wind against his face. The body often noticed before the mind had words for it.
Buddy barked at a gull and chased it three useless meters into the wash.
“Good work,” Mark said. “Very strategic.”
The dog ignored him and shook water across his legs.
Mark wiped his leg with one foot and kept walking.
He was thirty-five, lean in the way of someone who spent more time moving than sitting still, with dark-blond hair that had begun to gray at the temples earlier than he liked. In shorts and an old T-shirt, he could have passed for any local man getting his walk in before the heat came up.
The only thing that did not fit was the compass at his neck.
It was small, old, and heavier than it looked, its brass worn smooth where generations of hands had touched it. It had not pointed reliably north in years. Mark still wore it.
His father used to call it family nonsense, then make sure it was wrapped properly before putting it away.
Mark touched it now without thinking.
The metal was already warm against his skin.
From an internal Bureau of Meteorology log: "The anomaly was rejected by the system as noise prior to cyclone formation."
Brisbane had already started to heat by the time Mark reached the meteorological center.
The city outside was glass, traffic, and white morning glare. Inside, the air was colder than it needed to be. It carried the usual mix of coffee, carpet, electronics, and the faint mineral smell of recycled ventilation.
Mark paused at the security gate while his badge registered. The reader gave a soft click. Beyond the glass, the operations floor was waking in pieces: monitors coming out of sleep, chairs rolling back from desks, the low murmur of the early shift handing over to the day team.
He stepped through.
Emily Wilson was already at her station near the far row, one hand around a mug, the other moving across her keyboard. Her hair was tied back badly, with a loose strand she kept pushing behind her ear without looking away from the screen.
Mark noticed the strand before he meant to.
She looked up.
“Morning,” she said.
“Morning.”
He stopped beside her desk, not quite close enough to make it a conversation he would have to sustain.
“You’re early,” he said.
“So are you.”
“Dog woke me.”
“Buddy?”
“Buddy believes sunrise is a legal obligation.”
That got the edge of a smile from her. Small, quick, then gone.
“Sounds like Buddy.”
Mark felt his own mouth try for something more and decided against it. A little discipline never killed anyone. It only made the silence slightly awkward.
“Coffee’s fresh,” Emily said.
“Good. That may save lives.”
She turned back to her screen.
Mark went to his station.
His desk held the usual things: two monitors, a worn notebook, a pen he kept losing and finding again, and a framed photograph from a field deployment three years earlier. The team stood in hard sun beside a Doppler radar unit, all squinting, all pretending the heat had not beaten them flat. Lucas was in the picture with one hand lifted in triumph because someone had just found the last cold drink in the cooler.
Mark sat, logged in, and let the system build itself around him.
Regional pressure maps. Satellite loops. Sea-surface temperature. Buoy feeds. Upper-air data. Automated alerts queued along the side of the screen, most of them ordinary, most of them already half-resolved by models before any human needed to touch them.
He took a sip of coffee.
Bad.
He took another.
The first anomaly appeared in the western Pacific archive, near the Philippine Sea.
At first, Mark treated it as a rendering fault.
A tight rotation had appeared in a place where, six hours earlier, there had been nothing organized enough to deserve a name. He dragged the time slider back. Forward. Back again.
Nothing.
Then formation.
He leaned closer.
The cloud structure intensified across the loop with a speed that made no operational sense. Convective bursts climbed around the center, symmetry tightening frame by frame. Outflow established too quickly. The core cooled, wrapped, consolidated.
Mark opened the raw satellite feed.
Same result.
He pulled buoy data, scatterometer wind estimates, pressure readings from the nearest available stations, and maritime reports. The numbers did not make the anomaly easier to dismiss.
They made it worse.
“Come on,” he said under his breath.
The system flagged rapid intensification.
Then the estimate jumped again.
Category Five.
Mark stopped moving.
The story continues in Book I — available worldwide.
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The signals do not disappear.
They begin to synchronize.
Biology adapts.
Technology responds.
The question is no longer what is happening.
But who — or what — is responding.
The heat hit Mark Stetson the moment he stepped out of the airport terminal in Manaus.
Not warmth. Not even tropical heat in the friendly postcard sense. This was a physical argument. It pressed against his face, slipped under his shirt, filled his lungs, and immediately made every decision he had made in an air-conditioned office seem theoretical.
He stopped just outside the sliding doors and adjusted the strap of his carry-on.
“Excellent,” he muttered. “A climate that wants a personal relationship.”
A taxi horn blared somewhere to his left. A man pushed past with three boxes tied together by rope. A child was crying. Two airport workers argued beside a stack of medical crates. Beyond the road, the city shimmered in the heat, and beyond the city, though he could not yet see it, the forest waited with the patience of something that did not care who had been invited.
A week earlier, Mark had been in Brisbane, reviewing cyclone-track simulations in an office cold enough to offend biology. Then the call came from Geneva.
“Mr. Stetson,” the voice had said, formal and exhausted, “your work on atmospheric particle dispersion has been recommended to us. We need someone who can model potential airborne and aerosol movement under complex tropical conditions.”
Mark had waited for the sentence to become less absurd.
It did not.
“I’m sorry,” he had said. “You do know I’m a meteorologist, not a virologist?”
“We are aware.”
“Good. Because if the virus needs advice about bringing an umbrella, I may be your man.”
There had been a pause.
Not a humorous pause.
Then the voice had said, “People are dying in the interior. We do not yet understand transmission. Standard containment assumptions may be wrong. Your models may help us understand what the forest and the weather are doing to the outbreak.”
That had ended the jokes.
Mostly.
Now he stood outside Eduardo Gomes International Airport with sweat already running down his back, wondering how quickly a man could become useless through humidity alone.
He scanned the arrivals area for a sign.
There were drivers, health officials, military police, porters, two men in WHO vests arguing over a clipboard, and a woman holding a tablet with his name on it.
STETSON.
No first name. No title. Sensible.
She stood slightly apart from the flow of people, alert rather than impatient. Early thirties, perhaps. Hair pulled back in a practical knot that had already lost a few strands to the air. Linen shirt, khaki trousers, field boots too expensive to be decorative. Her face was tired in a way Mark recognized from emergency briefings: not lack of sleep exactly, but lack of good answers.
“Mr. Stetson?” she asked.
French accent. Light, but there.
“Mark, please. Mr. Stetson makes me sound like I’m here to inspect your taxes.”
The road ended without announcing itself.
One moment the Toyota was lurching through ruts under a tunnel of green. The next, the trees opened and the vehicle rolled into a clearing beside the river.
The camp stood where the forest allowed it to stand: white medical tents, two canvas storage shelters, a generator enclosure, satellite dishes, water tanks, yellow quarantine tape, and a perimeter line that looked more symbolic than reassuring. Beyond it, the jungle pressed close. Leaves overlapped leaves until the green became less a color than a wall.
The Amazon moved past the clearing wide and brown, carrying branches, foam, reflected sky, and whatever else the forest decided to release.
Mark stepped out of the vehicle and immediately felt the ground soften under his boots.
“Field camp,” he said. “Very cheerful. Has anyone checked whether we’re the opening scene or the final act?”
Claire shut her door and looked at him over the roof of the Toyota.
“No jokes near patients.”
“I remember.”
“This is not near patients yet.”
“Then I am using the last available window.”
She almost smiled.
Almost.
Then she turned toward the tents, and the smile disappeared into work.
People moved through the camp with the tense efficiency of those who had learned to conserve panic. WHO field staff. Brazilian health workers. Two local guides near the river. A soldier at the supply tent trying to look unnecessary. A nurse carrying IV bags toward a treatment shelter. Someone in protective gear writing labels on sample tubes with both hands shaking slightly.
Mark’s humor left him without needing to be dismissed.
The outbreak had a smell.
Not disease itself. Camp disease. Disinfectant, sweat, damp canvas, diesel, river mud, latex gloves, instant coffee, bleach, and fear being made practical.
Claire pointed to the central tent.
“Briefing first. Then PPE orientation. Then I introduce you to the modeling team.”
“Modeling team?”
“Two epidemiologists, one data officer, one exhausted statistician, and now you.”
“I’ll try not to lower the average morale.”
“You already have.”
A voice called from near the lab tent.
“Mark?”
He turned.
Hannah Chen stood under the shade of a patched awning, holding a waterproof case and a clipboard against her hip. She looked thinner than he remembered from the last conference in Singapore, or perhaps simply sharpened by the place. Her hair was tied back, her sleeves rolled, and there was mud on one knee of her trousers.
“Hannah?”
She crossed the clearing toward him.
For a moment he was genuinely glad to see a familiar face.
Then he saw how tired she was.
“You’re supposed to be in Vancouver,” he said.
“I was. Then I was in Brasília. Then here.”
“That sounds like a bureaucratic infection.”
“Worse. Emergency consultancy.”
They embraced briefly.
Not long.
The story continues in Book II — available worldwide.
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The Arctic recovery zone was never inactive.
Beneath the ice, an old discovery is still changing —
and the systems built to study it have begun to answer back.
The deeper the investigation goes, the less certain the boundary becomes between signal, observer, and intent.
The Barents Sea breathed against the hull of the Akademik Feoktistov.
Not in waves alone.
In pressure.
In cold.
In the steady, grinding patience of ice moving somewhere beyond visibility.
Elena Volkova stood on the forward deck, one gloved hand on the rail, her hood pushed back despite the wind. The wind took the exposed strands of her pale hair and snapped them across her face. She ignored it. Around her, the crew moved with the economy of people who knew the Arctic punished unnecessary gestures. Cables were being checked. Winches tested. The submersible’s support cradle inspected for the third time. Voices came and went in the wind, clipped and practical.
Above them, low clouds pressed down on the sea.
Below them was Recovery Zone 76-A.
The original coordinates.
The place where, according to surviving Soviet records, the object had first been brought out of the dark.
The water around the ship was almost black.
Elena looked at it for a long moment.
What did they miss? she thought.
Not what did they find.
That question had already ruined enough lives.
What did they miss?
The satellite phone vibrated inside her thermal jacket.
She knew who it was before she saw the name.
Gromov.
She turned her back to the wind and answered.
“Yes.”
“Are you on station?” Viktor Gromov asked.
His voice was sharp, but there was fatigue under it. Elena heard that immediately. Viktor was rarely careless with tone unless something had gone wrong.
“We’re on station,” she said. “Ice coverage is heavier than forecast. Surface visibility is poor. Subsurface visibility will be worse. But the descent window is still usable.”
“How soon?”
“Forty minutes if the winch team stops inventing new ways to be cautious.”
“Caution is useful.”
“Then you’ll be delighted. We have enough of it to share.”
There was no answering dry remark.
That confirmed it.
“What happened?” Elena asked.
A brief silence.
Then Gromov said, “The internal demonstration failed.”
Elena looked toward the submersible.
Elena sat forward in the pilot’s chair, hands resting lightly on the controls.
The submersible descended through darkness.
There was no romance in it once the hatch had closed. No wide horizon, no dramatic sky, no wind to remind the body of scale. Only metal, instruments, breath, condensed moisture on cold surfaces, and the continuous low vibration of systems doing what human beings trusted them to do because there was no alternative.
Outside the viewport, the Barents Sea gave back almost nothing.
The lights reached forward in two pale cones and died in particulate water. Snow-like sediment drifted past, though there was no snow here, only the slow fall of matter through an old, cold column of sea. Every few seconds, the hull gave a muted click as temperature and pressure found small ways to remind them where they were.
“Depth three hundred forty,” the systems engineer said.
Elena checked the readout herself.
“Three hundred forty-two meters,” she corrected. “Descent rate stable.”
The pilot beside her gave a short nod.
“I see bottom return.”
On the screen, the sonar profile began to thicken.
A floor.
Or what passed for one.
Elena felt the old sensation rise in her chest — not fear exactly, not excitement, but the peculiar separation from the surface that had entered her life long before the Barents Sea, long before Poseidon, long before Gromov’s midnight calls. Her father had taken her on her first training descent when she was still too young to understand why adults came back from the deep quieter than they went down.
He had told her then: Down there, curiosity is useful only if discipline is stronger.
She had hated the sentence at fourteen.
She had built her life around it.
“Feoktistov, this is Volkov,” she said into the channel. “Approaching seabed. Confirm telemetry.”
The ship’s operator answered through faint static.
“Telemetry confirmed. Your signal is clean. You are within the outer grid of Recovery Zone 76-A.”
The original recovery zone.
Elena did not look at the others when the designation came through. She kept her eyes on the displays.
“Copy. Beginning visual pass.”
The submersible slowed.
The seabed emerged by degrees: dark sediment, pale scraped ice deposits, stones half-buried in silt, ridges that might have been natural current work or old disturbance. The lights passed over a slope of broken material, then a shallow depression with a shape too regular to be dismissed and too eroded to be trusted.
Elena leaned closer.
“Marking first disturbance field,” she said. “Possible legacy activity. No interpretation.”
The systems engineer tagged the coordinates.
“No interpretation,” he repeated.
The pilot glanced at her.
“Looks like blast scatter.”
“Looks like we will write ‘disturbed substrate with radial debris pattern’ until we earn a better sentence.”
He smiled without taking his eyes off the controls.
“Yes, commander.”
The submersible moved along the grid.
The further they went, the less the official map satisfied the terrain. The 1976 recovery documents had described the site as a depression with secondary scarring and magnetometer irregularities. The depression was there. The scarring was there. But the geometry had changed. Or the old survey had lied by omission. Or the old instruments had never been good enough to see what mattered.
Elena disliked all three possibilities.
“Magnetometer fluctuation,” the systems engineer said.
“How large?”
“Small but irregular. Localized ahead and portside.”
“Overlay with old recovery coordinates.”
He did.
A red line appeared on the screen, then another, then the old grid.
The anomaly did not sit where it should have.
Book III is available first through Deni ArDente direct purchase. Worldwide storefront release will follow.
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