In his review of GURPS Action Adventure 1: Templars' Gold, Mailanka introduces the charming phrase "action documentaries" to describe adventures which also contain interesting educational content. You play a fun adventure, but you also learn stuff you didn't know before. And that's a marvelous idea, particularly for a game as frequently entangled in history and real world concerns as GURPS . So naturally I started thinking about how one would write such a thing. To start with, it's probably best to attach such an adventure to some existing product line. For the 20th and early 21st century, that's clearly the Action line. While I wouldn't write it, there's room for such things around more obscure corners of WWI (the war in Africa, for example), some of the less European, more Asian parts of the Russian Revolution, events around the end of the Qing dynasty, the settlement of WWII ( The Third Man or intrigue around landing Trieste as part of Italy