A collection of 50 Asimov stories, covering half a century of his work, including tales of distant worlds, parallel universes, unknowable aliens and immeasurable space. Among this collection are "Nightfall", "The Martian Way" and "The Ugly Boy".

A collection of 50 Asimov stories, covering half a century of his work, including tales of distant worlds, parallel universes, unknowable aliens and immeasurable space. Among this collection are "Nightfall", "The Martian Way" and "The Ugly Boy".