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.

They are the most ferocious and clever predators in the sea. Their brains are the second largest of any animal. Highly intelligent, social, and persistent, their coordinated hunting efforts rarely fail in securing prey. Their diet consists of anything unlucky enough to be in their crosshairs: fish, sharks, squid, seals, whales, sea birds.

When the Triumph crashes and the mission to investigate Earth’s past goes sideways, the ship’s crew is forced to fight for their lives in a world where dinosaurs roam Earth hunting prey and huge Pterosaurs patrol the skies. As the adventurers struggle in the primordial jungle the party discovers the monumental relics of an ancient civilization that could help them get home. If they can survive long enough.

At the edge of the abyss, where the Blake Plateau abruptly gives way to the deepest parts of the Atlantic Ocean, biologists investigate the largest marine die-off in history. An Everest-style base camp supporting scientists, staff, and eco-tourists sits at the edge of the drop-off, but the scientific mission turns to one of survival when mutant sea creatures threaten the base. Steven Hunte is a sea dog for hire, an ex-Navy biologist turned environmental activist who's been hired to support scientists studying the die-off.

Before the Age of Monsters, there was Monster Island. Top-secret habitat for genetically-resurrected dinosaurs. But something has gone terribly wrong. Somehow, the beasts have escaped – first there were scattered sightings worldwide – then people went missing. But now a pleasure-cruise shipwrecked on a tropical beach has discovered an entire savage prehistoric jungle.