From the safety of the Deep Hole Sanctuary, two are sent to the surface for the first time in nine years. Rumors, tales, and expectations for the world above are that they will find a desolate wasteland filled with mutated animals and bands of roving hoards of starving people.

Clint Redshaw walks into a port facility meeting expecting an ordinary day arguing about the budget. When the shaking starts, he keeps calm. But as the tremors stretch on and on, the ground rips apart, the dock disintegrates, and chunks of land fall into the Strait. When the quake finally ends, there's only one thing on his mind: his daughter. Mika's singing songs and laughing with a gaggle of other sixteen-year-olds as they climb into the Pacific Northwest mountains for a scout weekend. One minute, it's sunshine and good vibes, and the next, it's screaming and chaos.

At the end of the world. Nick Peterson never expected to be stuck with a bunch of kids. A 17-year-old boy shouldn’t be responsible for keeping other people alive. But he didn’t have much choice in the matter. That’s what happens when everyone else dies.

When a killer comet hurtles toward Earth, 18-year-old Joanna Murphy is selected to wait out the apocalypse in an underground bunker. She enters cryosleep with her close-knit team, preparing to resettle the planet after the atmosphere clears in 200 years. Joanna is the only one who wakes up. Faced with a bunker full of bones and a blocked exit, Joanna must claw her way to the surface, figure out what happened to her team, and try not to panic - or die. That’s going to be tricky if she’s the only person left in the world.

In 2035, in a hopelessly broken world, Nick Ritter is The Posh Prepper, a gifted crisis consultant who sells disaster-survival plans to rich and powerful clients. Haunted by corrupt clients and a tragic past, Nick lives a reclusive life in overcrowded Boston, counting the days until he can retire to his survival ranch in New Zealand. But when he gets an insider tip that a deadly virus is tearing through Boston, Nick has 24 hours to escape the city and flee to New Zealand. He has the perfect survival plan, but there’s just one problem…it doesn’t account for company.

As earthquakes are triggered, fault lines split, buildings crumble, and monstrous tsunamis rush inland, Jax, his daughter Zoe, and a group of civilians with vastly separate lives collide in the Northwest in an interweaving story of survival, loss, and redemption. Meanwhile, Natalie Reid is at the Gatlinburg Midnight Parade, charged with caring for teens from a group home; when the earth shakes, the sky lights up in a brilliant light, and planes fall from the sky.

It started with the insects. Before society realized the danger, the Earth had inexorably begun a transformation into a place where life could not survive. A small group found shelter in the Arc, an underground refuge safe from the toxins ravaging the surface. After centuries of darkness, humanity’s second chance is running out - and Raven Wilder knows it. Her job fixing the machinery in the Arc makes her aware of how close everything is to breaking down. When her six-year-old begins showing signs of oxygen deprivation, Raven refuses to go quietly into oblivion.

Jolly Copper is one of the few people who know the world is on the brink of cataclysmic destruction.... not because he had any scientific knowledge or prophetic dreams, but because he is nosey and read what was on a fellow bus passenger's phone one day. He learns there will be an unprecedented series of natural disasters, and the expected grand finale disaster is predicted to be a tidal wave massive enough to swallow half the globe.

Fourteen-year-old Greg Dixon is living a nightmare. Attending boarding school outside of Boston, he is separated from his family when a pandemic strikes. His classmates and teachers are dead, rotting in a dormitory-turned-morgue steps from his room. The nights are getting colder, and his food has run out. The last message from his father is to get away from the city and to meet at his grandparents' town in remote New Hampshire.

Akart's standalone novel, ARkStorm, is based on actual events. In 1861, a 43-day series of atmospheric rivers, huge flows of moisture carried from the tropics to the West Coast, turned large swaths of California into an inland sea. The intense rainstorms pounded the state unabated with little respite. Rivers became raging torrents that swept away entire communities, killing thousands. The State’s Central Valley turned a massive body of water 300-miles long and 20-miles wide.

Following a control breach at a top-secret facility, a weapons grade biological pathogen, YPP-234, escapes and quickly spirals out of control. It is deadly, it is fast, and it goes unnoticed until it is too late. YPP-234 isn’t just a manmade biological weapon, it is a manmade extinction level event. Now it is out.

Greg Benedict watches in horror as his wife and baby stand by the window inside of a burning building. Then, before the flames reach them, they vanish. It was just the beginning. Sporadic vanishings occur over the next several months, all leading to the day when half the population disappears. Gone. Chaos ensues as humanity struggles to come to grips with the sudden vanishing of half the life on Earth.

In the near future, in the picturesque town of Burning Hollow, Tennessee, a century-old squabble between two families is brewing. For four generations, blood has spilled between the patriarchs, shifting the tides of power. But after each significant change, a new war begins. Will an EMP strike on a failed economy prove lethal to a besieged nation? Or will its citizens rally to protect their homesteads and safeguard their families? 

Moments before the world ends, two strangers pass each other on the San Diego boardwalk. Simon is taking a walk with his young daughter, Esther. Judith is jogging to relax before her first big job interview. When a cloud of ash descends without warning, swallowing the city behind them, Simon and Judith escape onto a nearby cruise ship and head for open water. The Yellowstone super eruption has begun, and the luxury vessel is their only hope of survival.

When Amanda Thomlin finds herself face-to-face with the reality that she may never see her mother again, the overwhelming uncertainty nearly immobilizes her. A kind father figure steps up and takes her under his protection, bringing her into his family.