Two novels deal with time travel and a dangerous new invention, and are accompanied by stories about space warfare, time viewing, and extraterrestrials

Collection of 48 science fiction stories by Isaac Asimov.

"The Caves of Steel"--Science fiction suspense as New York City detective, Elijah Baley, and his partner, a robot named R. Daneel Olivaw, investigate the murder

Stories tell of a magical umbrella, a newspaper that predicts the future, a devil's advocate, a terrible curse, a witch, a wizard, nightmares, and a powerful ge