Celtic Empire (Dirk Pitt Series #25)

Clive Cussler, "The Grand Master of Adventure," sends his intrepid hero Dirk Pitt on his wildest, boldest mission into the ancient world, unlocking extraordinary secrets and solving hideous crimes in the 25th novel in the most beloved series from the #1 New York Times-bestselling author.

The murders of a team of United Nations scientists in El Salvador. . . A deadly collision in the waterways off the city of Detroit. . . An attack by tomb raiders on an archaeological site along the banks of ...