The world wrecker

The strange reports came from all over the world. Reports of a bearded man who could walk through solid walls. Business conferences found a stranger listening to their secret plans: military documents, and gold reserves disappeared from impregnable safes; Miss World just vanished from a locked room before the eyes of several astonished witnesses. From a remote part of South American came an even stranger rumor—of a Martian spaceship full of scientific devices far in advance of the earth's greatest scientific knowledge. And terrified humanity knew that their planet stood in the utmost dander from a completely alien race. Cities were destroyed by gigantic earthquakes, bridges and all metal structures just dissolved. In fact the people of earth faced complete and utter destruction....