The "Washington, D.C." category for books encompasses a diverse array of literature that is either set in, influenced by, or pertains to the capital city of the United States. This genre includes political thrillers that delve into the machinations of American governance, historical accounts detailing the city's evolution, and biographies of influential figures whose lives and careers were shaped by their time in the nation's capital. It also features non-fiction works exploring the city's unique cultural, social, and urban dynamics, as well as guidebooks for visitors. From the corridors of power on Capitol Hill to the vibrant streets of its various neighborhoods, books in the "Washington, D.C." category offer readers a window into the heart of American politics, policy, and history.

The "Spy" category of books typically involves stories of espionage, covert operations, and intelligence gathering. These books often feature protagonists who are highly skilled and trained in the art of espionage, and who work for various government agencies or private organizations. The plots are often complex and involve intricate schemes and high-stakes missions, with the threat of danger and betrayal always looming. Spy books can be set in various time periods and locations, and can range from action-packed thrillers to more cerebral and nuanced stories of espionage.

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