is bringing a new book to fans of the show, true-crime followers, and history buffs alike. Mark Harmon and Leon Carroll Jr., who worked together on the CBS drama for many years, have penned the non-fiction book, It is the first narrative non-fiction title from the pair and is set to be released by Harper Select on Nov.
14. Harmon famously played Leroy Jethro Gibbs for 18 seasons on while Carroll served as the show's technical advisor due to his background as a real-life NCIS special agent.
Harmon exited his role as Gibbs in 2021 after first appearing on the show in 2003, but his character was neither killed off nor officially retired, leaving an opening for him to make a return appearance.
The writing team's research for the book included referencing historical documents to tell the story of Douglas Wada, the only Japanese American agent in naval intelligence, and Takeo Yoshikawa, a Japanese spy sent to Pearl Harbor to gather information on the U.S.
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