Like shadows in the night, Captain Andrew Serrano and his elite team intercept the cargo ship Griffin, secretly owned by a Russian arms dealer. Their objective: capture the bio-engineer Dr. Hank Nore and deliver him to the C.I.A. The operation initially goes well, with the team overpowering the security forces and tracking their target to the lower decks. Backed into a corner, Dr. Nore resorts to desperate measures to avoid capture.

He is an alpha predator, feared by all life on the planet Challenger. His pincers can crush steel, his razor-sharp mandibles can shred a hundred pounds of flesh in seconds, and his armor carapace is capable of deflecting anti-tank projectiles. His place in the ecosystem is reflected in his name: Caesar. A beast of incredible size, he has a major appetite to satisfy. And now, he has a new item on the menu: humans. When Corporal Richard Carson and his team entered cryosleep, they did not expect to awaken in two days for a whole new mission.

A deep sea fracking operation in the Arctic Ocean breaks through into a world hidden for 15-million years, an undersea cavern from the Pliocene Epoch of the Cenozoic Era. Among the prehistoric terrors unleashed is a giant megalodon, a shark so efficient it had no need to change for 20-million years. Asa Iverson was the only survivor from the Global Kulik incident. Now, the nightmares haunt him. Did he see a colossal shark long thought extinct, or was it a hypothermia-induced hallucination?

Saxon Smith is on the research trip of a lifetime in Antarctica to explore a remote ice cave system. A previous expedition found hints that the much warmer subsurface caves could support life, and Saxon wants to make that discovery and make a name for himself.

Oscar Rayos, a broken and disgraced ex-Army sergeant condemned to toil in the sprawling landfill neighboring the Cactus Ridge Proving Grounds, must confront his past and fight for a future shrouded in uncertainties as he navigates the treacherous terrain of a garbage dump tainted by secrets. Something stirs within the depths of the Patriot Landfill & Recycling Center—a grotesque fusion of nature and military hubris. Mutant Gila monsters prowl the refuse in search of prey, and as the line between man and monster blurs, Oscar battles not only for survival, but for redemption.

Mount Aire is a secluded enclave on the Kenai Peninsula where folks do their best to live quiet lives away from the chaos of civilization. The town’s peace is shattered when a musher is killed during the annual Terimore 200 sled dog race, and signs of a strange creature are found at the murder scene. Murmurs recalling the year of the beast percolate through town. Six years ago, three died, five the cycle before that.

Four kilometers beneath the plains of southern Africa a search party discover a lost world of vicious, gigantic Carboniferous Era insects, surviving virtually unchanged for 350 million years in a vast magma chamber. The search quickly descends into a terrifying fight for survival against creatures thought only to exist in prehistory and nightmares.

Lake Lucas is a place of tranquility. Known for its long trails, camping grounds, and fishing, it is a popular place for hikers, campers, and anyone looking to get away from society. For ex-con Valentine Krane, it is the perfect place to start fresh and new. Unfortunately, nature has other plans. When someone from his past is violently murdered in the lake, Valentine finds himself under suspicion. The police investigate him, oblivious to the real threat lurking under the tranquil water.

Giant crocodiles exist—the man-eating Kaiju of the real world. Dr. Jennings plans on capturing one alive. Accompanied by a squad of hired mercs and an anti-poaching unit on loan from the local government, she sets out to locate and trap Tuwile, rumored to be the largest giant croc alive. Of course, things never go as planned....

On a desolate beach in far northern Scotland, the winter storms have been washing up all manner of things since time began. But buried in the centre of one smaller iceberg is a shard of ancient Viking pottery telling a partial tale of a hidden mysterious island beyond the ice and mist, that was home to a great treasure and even greater horrors. Thawing in the same block of ice was a rotting flap of skin that refused to be identified but had similar skin patterns to a creature not seen for 100 million years.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

Saddle up and join Wynonna Earp on an immersive new audio adventure in the gritty supernatural world of Purgatory. This Audible Original invites you deeper into the Weird West to follow Wynonna Earp (Melanie Scrofano), as she embarks on her craziest adventure yet: riding off into the sunset with her soulmate, Doc Holliday (Tim Rozon)—yes ... that Doc Holliday. Brace yourself for more wise-cracking demon hunters, earth-shattering revelations and all the genre-blending action you've come to expect from the cult hit TV series.

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Ashley Perrin is fresh out of college and starting a job as a community liaison for the Third District–the city’s only sector with more alien residents than humans. Ashley’s barely found where the paper clips are kept when she’s beset with constituent complaints–from too much noise at the Annual Lupidian Celebration Parade to a trip-and-fall chicken to a very particular type of alien hornet that threatens the very city itself. And if that’s not terrifying enough, Ashley is next up at the office karaoke night.