Down there, beyond the deepest caves, below the crust and the mantle, there is another world. An old woman locked away in a Russian asylum has a secret - knowledge of a 500-year-old manuscript written by a long-dead alchemist that will show a passage to the mythical centre of the Earth. She knows it’s real because 50 years ago, she and a team travelled there. And only she made it back. Today, caving specialist Mike Monroe leads a crew into the world’s deepest cave in the former Soviet Union.

A journey into the deepest, darkest jungles of the Venezuelan Amazon...and a primeval place and time that mankind was never meant to exist in. Ben Cartwright, former soldier, home to mourn the loss of his father, stumbles upon cryptic letters from the past between author Arthur Conan Doyle and his great-great-grandfather who vanished while exploring the Amazon jungle in 1908. Amazingly, these letters lead Ben to believe that his ancestor’s expedition was the basis for Doyle’s fantastical tale of a lost world inhabited by long-extinct creatures.

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.

In Fathomless, the greatest predator the world has ever known is coming home in 2016. Carcharodon megalodon. The largest and most fearsome predator to have ever existed on our planet. Rumours of its existence in our modern oceans have persisted for centuries. Now, in a new adventure, the rumours explode into brutal and terrifying reality in Fathomless, by Greig Beck.

When a fame-hungry scientist brings an impossible, living specimen of a creature long thought extinct back from the wild jungles of South America he unwittingly brings along a passenger. Something with the potential to destroy every living thing on our planet. The infestation begins, rapidly overtaking medical resources and resisting all treatment.

100,000 years ago the object hit the lake at the deepest point, quickly sinking into its mile-deep Stygian darkness. The sheets of ice closed, time moved on and the land forgot. But over the centuries, legends grew of people vanishing, of strange, deformed animals and of an unexplained luminescence down in the lake depths. When Marcus Stenson won the lucrative contract to create a sturgeon fish farm on the site of disused paper mill on the shore of Lake Baikal, he thought he had won the lottery and refused to listen to the chilling folktales....

There’s something growing deep in the old Angel Mine - something the Native Americans warned us about - And now it’s rising again. Mitch Taylor, ex-Special Forces medic, is seeking a quiet life in the town of Eldon. Tragedy has dogged his life, and he sees the small friendly place as a second chance. But buried deep below the friendly smiles and quaint painted houses is an old abandoned mine that holds a legend of an ancient and terrible god. In the mine’s labyrinthine depths, something has been growing, something from a time of myth when ancient gods strode the Earth.

Klaus and Doris have just made the discovery of their lives - a complete Neanderthal skeleton buried in a newly opened sinkhole. But on removing it, something else tumbles free. Something that switches on, and then calls home. Soon the owners are coming back, and nothing will stop their ruthless search for their lost prize.

The world’s food supply grows aggressively, occupying every inch of earth, no matter how inhospitable. World hunger is averted. Humanity flourishes. RC-714 is digested, absorbed…and passed on. The Change affects small fast-breeding mammals first. They multiply with the same aggressive speed as the ExoGen plants, but an insatiable hunger drives them to violence. A war between species breaks out. When RC-714 reaches humanity, along with every other large creature on the planet, civilization implodes.

When the Air National Guard receives an emergency call for help from a remote Arctic research station in Greenland, Senior Master Sergeant Dan Cameron is chosen to lead the rescue mission. In an attempt to combat climate change, the scientists have genetically engineered an aquatic biofilm capable of generating oxygen and lowering the temperature of the underlying seawater, producing environmental conditions that awaken an organism that has lain dormant beneath the ocean floor for millions of years.

When a sink hole opens up near the Australian outback town of Pintalba, it uncovers a pristine cave system. Sam joins an expedition to explore the subterranean passages as paramedic support, hoping to remain unneeded at base camp. But, when one of the cavers is injured, he must overcome paralyzing claustrophobia to dive pitch-black waters and squeeze through the bowels of the earth. Soon he will find there are fates worse than being buried alive, for in the abandoned mines and caves beneath Pintalba, there are ravenous teeth in the dark.

A series of violent shark attacks off the shores of northern California draw the attention of pessimistic Detective Luke Jansen. Despite reports of shark sightings, the injuries are more reminiscent of a chainsaw-wielding maniac. Things get stranger when marine biologist Elise Sheldon encounters the creature. Exhausted and traumatized, her claims that the beast is a Helicoprion are dismissed. With little help from the police department, Luke and Elise form an unlikely alliance that puts them face-to-face with a violent man-eating shark, and its terrifying reason for existing.

Billy Summers is a man in a room with a gun. He’s a killer for hire and the best in the business. But he’ll do the job only if the target is a truly bad guy. And now Billy wants out. But first there is one last hit. Billy is among the best snipers in the world, a decorated Iraq war vet, a Houdini when it comes to vanishing after the job is done. So what could possibly go wrong?

An inexplicable explosion rocks the antiquities collection of a London museum and the race begins to determine how it happened, why it happened, and what it means.

Recon Marine Conor McCall didn’t expect action during his training op in the icy waters off Norway. But when a bizarre summer fog engulfs his boat, he and his team find themselves in a fight against strange, cruel monsters from the depths of the North Sea. When even their allies are enemies, the Recon Marines must do what they have always done: adapt or die. But with a world of ice and monsters seeking to destroy them, every second is mission-critical.

Down there, beyond the deepest caves, below the crust and the mantle, there is another world. An old woman locked away in a Russian asylum has a secret - knowledge of a 500-year-old manuscript written by a long-dead alchemist that will show a passage to the mythical centre of the Earth. She knows it’s real because 50 years ago, she and a team travelled there. And only she made it back. Today, caving specialist Mike Monroe leads a crew into the world’s deepest cave in the former Soviet Union.

A journey into the deepest, darkest jungles of the Venezuelan Amazon...and a primeval place and time that mankind was never meant to exist in. Ben Cartwright, former soldier, home to mourn the loss of his father, stumbles upon cryptic letters from the past between author Arthur Conan Doyle and his great-great-grandfather who vanished while exploring the Amazon jungle in 1908. Amazingly, these letters lead Ben to believe that his ancestor’s expedition was the basis for Doyle’s fantastical tale of a lost world inhabited by long-extinct creatures.

In Fathomless, the greatest predator the world has ever known is coming home in 2016. Carcharodon megalodon. The largest and most fearsome predator to have ever existed on our planet. Rumours of its existence in our modern oceans have persisted for centuries. Now, in a new adventure, the rumours explode into brutal and terrifying reality in Fathomless, by Greig Beck.

There’s something growing deep in the old Angel Mine - something the Native Americans warned us about - And now it’s rising again. Mitch Taylor, ex-Special Forces medic, is seeking a quiet life in the town of Eldon. Tragedy has dogged his life, and he sees the small friendly place as a second chance. But buried deep below the friendly smiles and quaint painted houses is an old abandoned mine that holds a legend of an ancient and terrible god. In the mine’s labyrinthine depths, something has been growing, something from a time of myth when ancient gods strode the Earth.

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.