Marine explorer Dirk Pitt faces off against an elite army from an era gone-by in order to uncover the secrets of an ancient civilization in this #1 New York Times-bestselling series.
 
A group of anthropologists uncover strange inscriptions on the wall of a Colorado mine just as an explosion traps them deep within the earth. But their work won’t stay buried long. Dirk Pitt is on hand during the blast and quick to initiate...

2500 years BC, Tiriki, Priestess of Light and of the Earth-goddess Ni-Terat, and her husband Micail, Priest of Light and Prince of the Atlantean state Atharrath, have to save themselves from the destruction of Atlantis and are forced to board different ships to the Isles of Tin (Britain). When they finally reach the British coast, they are far away from each other and they both believe that the other one is dead.

Professor Amelia Harsh, who is obsessed with finding a prehistoric lost city, accepts patronage from a man she blames for her father's suicide, blackmails an old friend, and leads a crew of freed convicts on a steampunk adventure.