The hero of this tale of scientific wonder is called "A Columbus of Space" because he is the first to take advantage fo the power of "inter-atomic energy," which enables him to navigate the Ocean of Ether and sail to the shores of another world than ours. He constructs a curious spool-shaped machine and "sets sail" into space, arriving with his companions on the planet Venus. A classic science fiction adventure in the style of and dedicated to the readers of Jules Verne. An independent scientist discovers the secret of "inter-atomic energy," and with it builds a craft which carries himself and three friends to Venus, where they discover the dwellers of the dark side, incredible floating cities, and peril at every turn.