Rouletabille at Krupp's

In Rouletabille at Krupp's (1917), Gaston Leroux followed the template created by John Buchan in Greenmantle (1916), in which a heroic secret agent is conscripted to carry out an officially-sanctioned dangerous mission in enemy territory. Here, it's fearless investigative journalist Joseph Josephin, aka Rouletabille, who is sent into the heart of the Kaiser's armaments factories to destroy the gigantic German super-weapon Titania, capable of annihilating Paris itself in a single shot. The n...