Read Shadow of Doom Storyline:
The Nazis have stored radium somewhere in Europe. Dr. Palfrey must find it, but there is a big business syndicate also involved who aim to bring Europe to an economic standstill and ultimate starvation. They conceal themselves with curious black masks, but other clues as to their identities emerge and their plans are well advanced. Will Palfrey be in time?Pages of Shadow of Doom :