Intelligence literature
Intelligence literature, sometimes referred to as espionage nonfiction, is a genre of non-fiction or historical literature, written in any language, that focuses on the intelligence field, and its most popular subfield known as espionage. This field of literature includes biographies and autobiographies of intelligence officers, historical research and analysis of intelligence operations and missions, studies of undercover work, policy and legal studies surrounding the fields of intelligence law, intelligence history, and national security law, academic and professional journals, essays, textbooks, and more.