Harry Bates
Were the alien and his robot here to help or hinder humankind? Find out the surprising answer in the original story that inspired the classic 1951 science-fiction movie The Day the Earth Stood Still.$6.99

Peter David
Join Captain Calhoun and the crew of the U.S.S. Excalibur as they explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before!$13.99

Various
The TARDIS brings the crew to the south coast of present-day Earth. Something nasty is lurking in the gas pipelines of the North Sea, and before long the nearby refinery is attacked...$17.75

Sir Arthur Conan Doyle
Professor Challenger summons friends to come to his house, each one to bring a cylinder of pure oxygen. Challenger is convinced that the earth is entering a poison belt of ether and that life is do...$13.49

H.G. Wells
When a time traveler seeks a better world 802,000 years in the future, his optimism is shaken when he discovers that the human race has turned upon itself in a primal display of horror.$11.99

George R. R. Martin, Gardner Dezois and Daniel Abraham
A fight in an alley behind a bar: a visiting European is knifed by local thug Ramon Espejo and all hell breaks loose.$13.75