Calling Space-Doctor Duncan! Young George Duncan always wanted to be a doctor. It was his dream and ambition. But he never had a chance to attain his goal. Until one day on a far-off planet, a strange thing happened to him -- so startling that it altered the course of his life -- at the same time that it endangered it! Story by John Broome. Artwork by Gene Colan. Destination Earth A 1/2-page humor strip where an alien from Venus is put to work on a US navy ship. One-Man Planet! On Earth, Cosmo Dixon was a nobody, an inefficient weakling who couldn't give a correct order! Yet on a strange asteroid world, he became a master whose every word was law! But he lived in fear of making a decision that would make the situation worse on this world. Artwork by Sy Barry. Earth Is The Target! Cover story. Written by John Broome. Artwork by Sid Greene. Wonders Of Space A 2-page text article that examines "Star-Journeys Through Space!" Mystery Of The Counterfeit Space-Cabby! The Space-Cabby is back! And imagine his surprise when he finds someone in his cab -- a copy of himself, who insists that he's the real Space-Cabby! Written by Otto Binder. Artwork by Gil Kane.