the third courier ne demek?

The Third Courier is a novel written by Timothy Jay Smith, published in 2019. It is a thriller that takes place in 1990s Poland, just after the fall of the Iron Curtain and the collapse of the Soviet Union. The story follows Jay Porter, an American diplomat, as he tries to obtain a sample of a deadly virus from a defecting Russian scientist. Along the way, he encounters various obstacles, including corrupt officials, dangerous criminals, and spies from multiple countries. The plot is driven by intense suspense and political intrigue, as Porter races against time to complete his mission and prevent a global health crisis.