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.

Man-eating crocodiles have invaded the Everglades. In a desperate effort to save lives, Ranger Daniel Reid has partnered with Gator Glades reptile park to trap and remove the invasive hybrids. But crocs breed in high numbers, and park director Jen Summers predicts an ecological disaster. Abigail O'Neil has returned home, just ahead of a past come back to haunt her. A man named Colin Mason is coming to settle a score, and he is privy to the darkest secrets of Abigail's life—her crocodile-infested home has now been invaded by a monster more cold-blooded than any reptile.

National Park Service Rangers Kathy West and Nathan Toland are the only ones stationed at Fort Jefferson, a restored Civil War fort sixty miles off Key West, Florida. Two overnight campers go missing but before the rangers can investigate, shady Homeland Security Agent Glen Larsson arrives to close the park due to a purportedly imminent red tide. Things quickly escalate out of control when mercenaries arrive to back up Larsson and imprison the rangers. Larsson’s plan is to free a cast of giant crabs to overrun the park, and then Florida beyond.

Once upon a time, Dinosaurs ruled the Earth. But the Mesozoic era – the Age of Reptiles – came to its cataclysmic end sixty-five million years ago. The Age of Monsters begins tonight. And the world of humankind will crumble. Some will call it Judgment. Some will attempt to fight. Others will simply run. Most will just try and survive. But no one will escape. In the mountains. In the oceans. In the cities and towns. Even up in space.

The piranha–razor-toothed terror of the Amazon–attacking in swarms, stripping flesh off the bones of helpless victims in seconds. Piranha have never been successfully introduced into American waters...until now.