Shadow Divers: The True Adventure of Two Americans Who Risked Everything to Solve One of the Last Mysteries of World War II

by Robert Kurson

Shipwrecks are where the food chain poses for a snapshot.

Yurga sent a letter to the National Archives in Washington, D.C. He made this request: “I’d like all the information you have on U-boats, please,” then gave his name and address. A week later, Yurga received a letter from an archivist. “Mr. Yurga, we have forty-three linear feet of floor-to-ceiling shelves of U-boat documents. This does not include drawings, just text.