Mars, Venus, Mercury..."All systems, go!" What exciting adventures await mankind in the very near future when the first astronauts set foot on other worlds? Though men are already in training for these cosmic voyages, only the vivid imaginations of the best science-fiction writers can penetrate in advance the wonders they will encounter. Here, in this new anthology, you will find a preview of the thrills in store for men on scorching Mercury, shrouded Venus, ancient Mars and the other worlds of outer space. Contents: Child of the Sun by Leigh Brackett Sunrise on Mercury by Robert Silverberg By the Name of Man by John Brunner The Red Death of Mars by Robert Moore Williams The Planet of Doubt by Stanley G. Weinbaum Tiger By the Tail by Poul Anderson