Four kilometers beneath the plains of southern Africa a search party discover a lost world of vicious, gigantic Carboniferous Era insects, surviving virtually unchanged for 350 million years in a vast magma chamber. The search quickly descends into a terrifying fight for survival against creatures thought only to exist in prehistory and nightmares. In a race against time the team will struggle to save not only themselves but to stop the monstrous bugs from ever reaching the surface.

A deep sea fracking operation in the Arctic Ocean breaks through into a world hidden for 15-million years, an undersea cavern from the Pliocene Epoch of the Cenozoic Era. Among the prehistoric terrors unleashed is a giant megalodon, a shark so efficient it had no need to change for 20-million years. Asa Iverson was the only survivor from the Global Kulik incident. Now, the nightmares haunt him. Did he see a colossal shark long thought extinct, or was it a hypothermia-induced hallucination? Now, he's back in the Arctic to see for himself, and the deadliest predator the world has ever known is...

When Dax Wyldd, captain of the cargo vessel Fortune's Luck received a distress beacon from a Navy frigate, he knew things would get bad. He didn't expect a slaughtered Navy crew and a xenomorph monster. Rescuing the lone survivor, Marine Sergeant C.J. Ivers, Dax became inexorably drawn into a rescue attempt of the civilian research team at Station K124 on the moon Loki, where the xenomorphs had originated. The rescue mission quickly degenerates into a life and death struggle against terrifying monsters called Ravers, the same creatures that had forced the Huresh underground before wiping them...