Assault on Atlantis — Greg Donegan

It has invaded before. Ten thousand years ago, when it destroyed Atlantis, leaving no trace of the civilization's existence aside from myth and legend.

Across parallel dimensions, Earth after Earth has fallen before it. But one Earth has been able to repel its invasion time and again -- in the Bermuda Triangle, in the Devil's Sea, and in Cambodia.

It is the Shadow, humanity's most ancient enemy, and it has returned.

The Shadow's latest assault on the planet left millions dead worldwide, a widening gap in the ozone layer, and a cloud of radioactive gas poisoning the atmosphere. Former Green Beret Eric Dane believes his visions are messages instructing him on how to save the world from complete annihilation. Now, Dane and the crew of a U.S. Navy research vessel embark on a dangerous quest across space and time in a desperate gamble to change the fate of Earth...