Operation: Outer SpaceSignet S-1346 (April, 1957). Cover by Robert Schulz https://pulpcovers.com/wp-content/uploads/2014/06/14176494067_0da129a42e_o-658x1096.jpgA Thrilling Tale of a Space Ship’s Voyage to the Moon — And Beyond! via info headinginfo contentA Thrilling Tale of a Space Ship’s Voyage to the Moon — And Beyond!via