Byzantine Gold (Dangerous Waters) by Chris Karlsen

The sequel novel to the best-selling, thriller, Golden Chariot.A sunken warship from the Byzantine Era carrying an unusual cargo of gold has been found off the coast of Northern Cyprus. News of the valuable cache has attracted the attention of a terrorist cell. They plan to attack the recovery team’s campsite and steal the artifacts. On the Black Market, the sale of the relics will buy them additional weapons.Charlotte Dashiell, an American archaeologist, and her lover, Atakan Vadim, a Turkish government agent, are scheduled to be part of the recovery team that brings up the artifacts. While en route to Cyprus, they find themselves caught in the crosshairs of Maksym Tischenko, a Ukrainian contract killer bent on revenge. Charlotte, Atakan and Tischenko share a grim history. As a result, Tischenko is a man who will stop at nothing to achieve his goal—seeing them both dead.