Adventures into the Unknown #13

This issue is an anthology containing multiple stories. One story involves a government agent named Hamilton Browne who meets with a League of Nations official to discuss a plot by unknown creatures to provoke humanity into committing suicide by destroying each other through atomic warfare. Another story features a man who discovers strange supernatural phenomena in a swamp, including mysterious voices and ghostly forms that lead him to an abandoned house. A third story involves two boys who discover a magical mirror that allows them to enter an alternate world, where they encounter figures inspired by Lewis Carroll and encounter vorpal swords and other fantastical elements from Carroll's works.