When an experiment to study quantum uncertainty goes spectacularly wrong, physics student Bill Rustad and his friends find that they have accidentally created an inter-dimensional portal. They connect to Outland - an alternate Earth with identical geology, but where humans never evolved. The group races to establish control of the portal before the government, the military, or evildoers can take it away. Then everything changes when the Yellowstone supervolcano erupts in an explosion large enough to destroy civilization and kill half the planet.

In the darkest part of the solar system lies a wormhole. Nether. Astrophysicist Cammie Skoura has joined the first research team traveling to the Nether anomaly, eager to understand the mechanics of the wormhole and to explore its possibilities as a shortcut to Alpha Centauri. But another race of ancient beings has already been here—an impossibly long time ago—leaving remnants of their vast complexes and gigantic temples built for horrific beings beyond comprehension.

Forge of Darkness takes listeners to Kurald Galain, the warren of Darkness, and tells of a realm whose fate plays a crucial role in the fall of the Malazan Empire and surrounds one of the Malazan world’s most fascinating and powerful characters, Anomander Rake. It’s a conflicted time in Kurald Galain, where Mother Dark reigns above the Tiste people. But this ancient land was once home to many a power...and even death is not quite eternal. The commoners’ great hero, Vatha Urusander, longs for ascendency and Mother Dark’s hand in marriage, but she has taken another Consort, Lord Draconus.

The small island of Malaz and its city gave the great empire its name, but now it is little more than a sleepy, backwater port. Tonight, however, things are different. Tonight the city is on edge, a hive of hurried, sometimes violent activity; its citizens bustle about, barring doors, shuttering windows, avoiding any stranger's stare. Because tonight there is to be a convergence, the once-in-a-generation appearance of a Shadow Moon - an occasion that threatens the good people of Malaz with demon hounds and other, darker things....

The Carryx—part empire, part hive—has waged wars of conquest for centuries, destroying or enslaving species across the galaxy in its conflict with an ancient and deathless enemy. When they descend on the isolated world of Anjiin, the human population is abased, slaughtered, and put in chains. The best and brightest are abducted, taken to the Carryx world-palace to join prisoners from a thousand other species. Dafyd Alkhor, assistant to a prestigious scientist, is captured along with his team.

As a monster, Shrubley is forbidden from joining the adventurers guild. In a world where essence artists rank up in power and most monsters are feral beasts, Shrubley is among the weakest of creatures and is treated as an outcast. With curiosity essence bound to his spirit, Shrubley might be weak, but he's intelligent and determined. Against all the odds, he discovers a loophole from the Druid that gave him life—but there's a deadly catch. For a chance of ever being accepted as a true adventurer, he must challenge an otherworldly realm threatening to consume everything.

There's a reason We Are Legion was named Audible's Best Science Fiction Book of 2016: Its irresistibly irreverent wit! Bob Johansson has just sold his software company for a small fortune and is looking forward to a life of leisure. The first item on his to-do list: Spending his newfound windfall. On an urge to splurge, he signs up to have his head cryogenically preserved in case of death. Then he gets himself killed crossing the street. Waking up 117 years later, Bob discovers his mind has been uploaded into a sentient space probe with the ability to replicate itself.

Special Operations Chief Tyler Brooks might not know quantum mechanics, or have an eidetic memory, but he is the very best in the world at one thing: leading covert ops. When an unpredictable enemy causes the catastrophic loss of his entire SEAL team, Brooks is recruited by Pat Moody to lead a new elite squad, Task Force Omega. Moody’s promise—access to mind-bending tech that grants a glimpse of the future.

In a corporate-dominated spacefaring future, planetary missions must be approved and supplied by the Company. Exploratory teams are accompanied by Company-supplied security androids, for their own safety. But in a society where contracts are awarded to the lowest bidder, safety isn’t a primary concern. On a distant planet, a team of scientists are conducting surface tests, shadowed by their Company-supplied ‘droid—a self-aware SecUnit that has hacked its own governor module, and refers to itself (though never out loud) as “Murderbot.”

Ashur Yonan is going nowhere fast: an eighteen-year-old college dropout living with a mom who doesn’t understand him, mourning the death of his father five years earlier and working a dead-end food service job. The only good thing he has going for him is his girlfriend Kiki, but she’s leaving soon for college on the East Coast. It’s getting harder for Ashur to believe he still has the potential to make something great out of his life.

War heroes aren't usually called out of semi-retirement and sent to the far reaches of the galaxy for a routine investigation. So when Colonel Carl Butler answers the call from an old and powerful friend, he knows it's something big - and he's not being told the whole story. A high councilor's son has gone MIA out of Cappa Base, the space station orbiting a battle-ravaged planet. The young lieutenant had been wounded and evacuated - but there's no record of him having ever arrived at hospital command.

Jack Kernigan is having a bad day...a bad year...a bad life. After being booted out of MIT, he’s back in his Ohio hometown, working for the family business, facing a life of mediocrity. Then one day, out on a delivery, his truck hits...something. Something big...something furry...something invisible. And, it turns out, something not of this Earth. Fate can play funny tricks. Which is why Jack suddenly finds himself the planet’s best hope to unravel a conspiracy of galactic proportions that could spell the end of the human race.

When the Ornu came, they took Earth in a single night. Humanity never stood a chance. Now, they force us to crew their ships and fight their wars for them. They hold Earth hostage, and if we refuse to do their bidding, they’ll lay waste to our precious blue marble. Slaughtering the billions who live there. But when Captain Bill Henderson is sent to claim a small moon for his masters, he finds something they never accounted for. An ancient warship – a behemoth abandoned for millennia by a species that reached its peak at the dawn of the universe.

High in the Snowflake Mountains sits the Edificant Library, a place of scholarly study for priests, bards, and others. Now from the hidden vaults beneath the library a devastating curse is unleashed, and a young cleric must battle the terrifying creatures set loose by a malevolent, consuming essence that's been released, before his own brethren turn against him. Cadderly must put his studies to the test and enter the catacombs far below to save his brothers and himself.

Silas is inducted into the System, becoming the last in a long line of Earth's "forerunners." The rewards are great, but the danger is greater. We are not alone in the universe. The fate of five worlds hangs on how their forerunners perform. Will Silas have what it takes to win Earth a place in the multiverse? Or will Earth become another mining world stripped of all resources and left a barren husk floating in the cosmos?