Broke and desperate, paleontologist Grant Coleman gets the chance of a lifetime exploring a long-sealed cave, the fabled home of a gigantic creatures. NPS Ranger McKinley Stinson discovers a rancher’s prize bull has been butchered by an airborne killer, and tracks the blood trail back to the re-opened cavern. But as she’s about to arrest the trespassers, the unstable roof collapses, trapping all.

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.

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.

Alex Hunter - in the mission that turned him from a normal man into the weapon known as the Arcadian - and the elite team of soldiers known as the Hotzone All-Forces Warfare Commandos must enter a hostile country to rescue a defected Chechen researcher from the centre of a country at war. But the HAWCs are not the only ones looking for the rogue scientist and the mysterious package he carries with him. A brutal and relentless killer and his death squad are on the trail, too - and they bring a savagery with them that Hunter and his team have never witnessed before in modern warfare.

It had been a rough five years for Memphis Police Officer Jake Jessup. Blaming himself for the death of two partners, a divorce, and almost losing his job, the three-day canoe and kayak trip in the Ozarks sounded like the perfect way to reconnect with family and friends, and to put old demons to rest. What he found instead were a new set of demons, only these were real...and deadly. A float turns tragic for a group of boaters when a secret military project escapes into the Ozark Mountains of West Arkansas.

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?

The world was not prepared for this story, a conspiracy hatched in the highest levels of the British government. A rogue Minister of Defense plans to turn soldiers into blood-thirsty animals—and Holmes and Watson may be among their first victims. The adventure starts when Holmes is warned away from investigating Jack the Ripper’s heinous crimes. Despite Holmes’ well-known skills, he is sidelined. He must content himself with a straightforward case, finding a bolting beau, the result of a simple lovers’ quarrel. But that “romance gone wrong” is really the key to a nasty secret.

Sonny Lowe once traveled the world captaining a successful research vessel. These days, he and his crew get by with fishing and occasionally smuggling in the North Sea. One day, they’re chartered by a mysterious marine biologist to investigate rumors of a rediscovered prehistoric fish in the wilds of the Norwegian Sea.

The first two books in the John Decker series, and the John Decker prequel novella, Soul Catcher.

When two marines and their corpsman reunite after a decade apart, they find themselves caught up in the mystery of their former squad leader’s disappearance. With little more to go on than a handful of disturbing charcoal sketches and the whispers of a local legend, they plunge into the depths of one of America’s last truly wild places. But the trees themselves begin to whisper dark secrets. Secrets of trafficking and violence. Of rotten science and blood. Of something else that lurks in the shadows of the pines—something ancient, savage, and hungry.

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.