The blurb for the story sets it in “the fourth dimension,” but alas, this refers to a
parallel universe, not time travel for Charlie Wilson and his English friend, Captain Derek
Mason.
— Michael Main
I have for years been working on the theory that there is another world, existing here in
this same space with us. The Fourth Dimension!
Pending variant, not yet described. “Phantoms of Reality,” in Astounding Stories 01: January 1930, coordinated by Alan Winterrowd (LibriVox, May 2013) [audio].