The Night of the Glowing Corpse
During the Franco-Prussian War, the French entrust their newest scientific breakthrough, Franconium, to the care of the United States to keep Prussian agents from it. Deadly in the smallest quantities, the chemical must be protected. Before it can be debuted to the American scientific community thieves steal it; Jim and Artie must recover it before the thieves escape the country with their toxic treasure.