Mark Harmon and Leon Carroll, Jr Sign Ghosts of Sicily

Join Barnes & Noble - The Grove at Farmers Market on May 4, 2026, at 6:00pm as we welcome star of screen, television, and stage, Mark Harmon, along with retired special agent and technical advisor on the hit drama NCIS Leon Carroll, Jr. to discuss their latest release and New York Times bestseller: Ghosts of Sicily: The True Story of the Naval Intelligence Agents Who Courted the Mob to Fight Nazis in America and the Battlefields of Italy.
World War II history comes alive in unexpected ways in another harrowing true tale from the authors of Ghosts of Honolulu and Ghosts of Panama. This time, the focus in on the daring agents who called for an unlikely ally against Nazis: The Italian mafia.