Glowing white invaders from ather dimension threaten Earth! Out of their unkwn fourth dimensional realm materializes a horde of White Invaders with power invincible. Ray Cummings was a Science Fiction author and one of the founding fathers of the Science Fiction pulp genre. He worked with Thomas Edison as a personal assistant and technical writer. He wrote 750 vels and short stories, using also the pen names Ray King, Gabrielle Cummings, and Gabriel Wilson with his most highly regarded work being The Girl in the Golden Atom.