This is a four-book box set titled "Killing Lincoln Kennedy Patton & the Rising Sun" by Bill O'Reilly and Martin Dugard. The set includes contemporary, American, social, cultural, political, world, and military history. The books are in English and are factory-sealed in a paperback format. The intended audience is young adults and adults, and the publisher is St. Martin's. The books are not personalized, inscribed, or vintage. They are a great addition to any history lover's collection. New, unopened.