This 4 book lot, titled "Classics of World War II: The Secret War", is a must-have for any World War II enthusiast. Published by Time-Life and featuring various authors, this collector's edition book club set dives deep into the topic of WWII's secret war. The hardcover books are in great condition and are written in English. The set is categorized under "Antiquarian & Collectible" and "Books & Magazines" and covers the subject of "Military & War" with a focus on WWII (1939-45). Don't miss out on this rare opportunity to own a piece of history.