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. 

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....

When a plane crashes into the Antarctic ice, exposing a massive cave beneath, a rescue and research team is dispatched. Twenty-four hours later, all contact is lost. Captain Alex Hunter and his highly trained squad of commandos are fast tracked to the hot zone to find out what went wrong - and to follow up the detection of a vast underground reservoir.

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.

The penultimate instalment of the sensational, thrilling Jack West series. Against all the odds, Jack West Jr found the Three Secret Cities, but at a heartbreaking cost. His beloved daughter, Lily, it appeared, was slaughtered by Jack's mortal enemy, Sphinx, in a cruel ancient ritual. With his rivals far ahead of him, Jack must now get to one of the five iron mountains - two of which have never been found - and perform a mysterious feat known only as 'The Fall'. 

A team of explorers seek ancient treasures hidden in an undiscovered cave. At first it seems they will return empty-handed. Then their luck changes. But the team's elation is short-lived as they become trapped there in the dark, with little possibility of escape. Then events take an even more terrifying turn. For not all secrets are meant to be found....

Nora Kelly, a young curator at the Santa Fe Institute of Archaeology, is approached by historian Clive Benton with a once-in-a-lifetime proposal: to lead a team in search of the so-called "Lost Camp" of the tragic Donner Party. This was a group of pioneers who earned a terrible place in American history when they became snow-bound in the California mountains in 1847, their fate unknown until the first skeletonized survivors stumbled out of the wilderness, raving about starvation, murder - and cannibalism.

The Chinese government has been keeping a secret for 40 years: they have found a species of animal no one believed even existed that will amaze the world. Now the Chinese are ready to unveil their astonishing discovery within the greatest zoo ever constructed. A small group of VIPs and journalists has been brought to the zoo deep within China to see its fabulous creatures for the first time. Among them is Dr. Cassandra Jane 'CJ' Cameron, a writer for National Geographic and an expert on reptiles.

It was supposed to be just another mission. Buried deep in the rugged Alaskan wilderness lies a secret that could alter the future of mankind - a secret that billionaire Elizabeth Grey has invested millions in solving. But when the dig goes silent, an elite team of battle-hardened military contractors is brought in led by former Marine Max Ahlgren. While the mission to make contact and rescue a team of scientists and engineers working on an “archeological” project seems like an easy payday, once on ground, the team discovers the grizzly truth that this is no ordinary rescue.

In the spring of 1903, the 311, known to locals as “The Majestic”, carried more than 100 passengers on board toward a tunnel mouth that would allow the 13-car locomotive to pass safely through the underbelly of the Canadian Rockies. The tunnel swallowed the 311 whole, and the train - and everyone on it - were never seen again. 

Mark Hawkins, former park ranger and expert tracker, is out of his element, working onboard the Magellan, a research vessel studying the Great Pacific Garbage Patch. But his work is interrupted when, surrounded by 30 miles of refuse, the ship and its high-tech systems are plagued by a series of strange malfunctions and the crew is battered by a raging storm. When the storm fades and the sun rises, the beaten crew awakens to find themselves anchored in the protective cove of a tropical island...and no one knows how they got there.

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.

Just days before a massive exhibition opens at the popular New York Museum of Natural History, visitors are being savagely murdered in the museum's dark hallways and secret rooms. Autopsies indicate that the killer cannot be human.... But the museum's directors plan to go ahead with a big bash to celebrate the new exhibition, in spite of the murders.

When bodies start washing up along the banks of the River Thames, DI Henley fears it is the work of Peter Olivier, the notorious Jigsaw Killer. But it can’t be him: Olivier is already behind bars, and Henley was the one who put him there. She’d hoped she’d never have to see his face again, but Henley knows Olivier might be the best chance they have at stopping the copycat killer. But when Olivier learns of the new murders, helping Henley is the last thing on his mind.... Now all bets are off, and the race is on to catch the killer before the body count rises.