When mysterious obsidian skulls from a long lost civilization turn up in different locations around the world, Dirk Pitt and his team must discover the meaning of these artifacts. Their investigation leads to an enemy determined to take over the world and establish the “Fourth Empire”. Pitt races against time to stop this menace and save the world.
You’ll love the exotic locals, the threat of disaster, and action-packed suspense in this classic Dirk Pitt story. This is another great adventure from the master.