The Aquatic Research City is finally open for business, and with the contained prehistoric megalodon the main draw, business is booming. On the surface thousands flock to see the shark each day, and Tyler Baxter, the city's new president, wants to utilize the full potential of his father's investment. With hundreds of millions of pounds of revenue waiting to be invested, Tyler puts the city's safety at risk by hosting an aquatic race, the first of its kind.

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.

Scar is a killing machine. Born from DNA spliced between the extinct Megalodon and modern-day Great White, he has a viciousness that transcends time. His evil is reflected in his eyes, his savagery in his two-inch serrated teeth, his ruthlessness in his trail of death. After escaping captivity, the killer shark travels to the island community Cross Point, where prey is in abundance.

On a top-secret dive into the Pacific Ocean's deepest canyon, Jonas Taylor found himself face-to-face with the largest and most ferocious predator in the history of the animal kingdom. The sole survivor of the mission, Taylor is haunted by what he's sure he saw but still can't prove exists-Carcharodon megalodon, the massive mother of the great white shark. The average prehistoric Meg weighs in at twenty tons and could tear apart a Tyrannosaurus rex in seconds.

When a NASA satellite discovers an astonishingly rare object buried deep in the Arctic ice, the floundering space agency proclaims a much-needed victory, a victory with profound implications for NASA policy and the impending presidential election. To verify the authenticity of the find, the White House calls upon the skills of intelligence analyst Rachel Sexton. Accompanied by a team of experts, including the charismatic scholar Michael Tolland, Rachel travels to the Arctic and uncovers the unthinkable.

With the help of a powerful computer system, Alison Shaw and her team are preparing to translate the first two-way conversation with the planet's second smartest species. But the team discovers much more from their dolphins than they ever expected when a secret object is revealed on the ocean floor. One that was never supposed to be found.

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.

September 1858: An Antarctic whaler stumbles across an aged wreck, her frozen crew guarding a priceless treasure.

It is July 2003. In the middle of its maiden voyage, the luxury cruise ship Emerald Dolphin suddenly catches fire and sinks. What caused it? Why didn't the alarms go off? What was its connection to the revolutionary new engines powering the ship? NUMA special projects director Dirk Pitt races to rescue the passengers and investigate the disaster, but he has no idea of the bizarre events that are about to engulf him.

Loch Ness holds secrets, ancient and deadly. Does a monster inhabit its depths, or is it just myth? Why, after thousands of reported sightings and dozens of expeditions, is there still no hard evidence? Marine biologist Zachary Wallace knows, but the shock of his near-drowning as a child on Loch Ness have buried all memories of the incident. Now, a near-death experience suffered while on expedition in the Sargasso Sea has caused these long-forgotten memories to resurface.

In the aftermath of a hurricane, a series of strange events plague the coastal waters off Florida. People go into the water and never return. Corpses of killer whales drift ashore, ravaged from enormous bite marks. A fishing trawler is found adrift, with a mysterious gash in its hull. Transferred to the coastal town of Merit, police officer Leonard Riker uncovers the horrible reality of an enormous thresher shark lurking off the coast. Forty feet in length, it has taken a territorial claim to the waters near the town harbor.

Dr. Hugh Meyer believed he had created the ultimate miracle. Using the DNA of ancient creatures preserved in the Arctic, he had genetically engineered one of the most remarkable species of sea creature to ever exist: the Serpent Eel. Believed to possess the cure for countless diseases, the creature holds great promise for the medical community. All goes awry when the beast escapes containment. With a rapid growth rate and remarkable physical evolution, the beast travels to the coastal town of Spiral Bay. There, the creature designed to save human life instead starts taking it.

A seemingly random murder alerts scientist Dan Clifford to a global conspiracy that stretches from the halls of Washington to the Honduran coast. Illegal undersea activities have unwittingly uncovered a primordial secret that is wreaking havoc on aquatic life and the local human population. When the CDC and the full resources of a US "threat interdiction" team fails to uncover the source of the devastation, Dan and a brilliant marine biologist, Rachel Sullivan, must race to unravel an unimaginable, ancient mystery in the murky depths.

Kurt Austin and his crew are back to slake their thirst for action as they attempt to drown an eco-extortionist's plan to control the world's freshwater supply. From deep within the Venezuelan rain forest emanates the legend of a white goddess and a mysterious tribe with startling technical accomplishments. Few believe the tribe exists, and even fewer suspect its deity can change the course of history.

Ex-Navy SEAL Jack Kirkland surfaces from an aborted underwater salvage mission to find the Earth burning. Solar flares have triggered a series of gargantuan natural disasters. Earthquakes and hellfire rock the globe. Air Force One has vanished from the skies with America’s president on board. Now, with the US on the narrow brink of a nuclear apocalypse, Kirkland must pilot his oceangoing exploration ship, Deep Fathom, on a desperate mission miles below the ocean’s surface.