'Edison's Conquest of Mars' was printed in 1898 as a subsequence to H.G.Wells's 'The War of the Worlds'. It concerns Edison's efforts to hold off a Martian attack on Earth, with his own occupation of Mars. It also, as is visible in the title reveres Thomas Edison as the main hero of the story. This is the first literary presence of a spacesuit and the magnetic force he uses to move his ships through interplanetary space is more credible and founded...