Twenty of the finest science fiction short stories from one of the genre's greatest writers, Isaac Asimov. Isaac Asimov was the Grand Master of the Science Fiction Writers of America, the founder of robot ethics, and one of the world's most prolific authors of fiction and non-fiction. Asimov's short fiction has been enjoyed by millions for more than half a century. Within this collection are stories often voted among the best science fiction stories of all time, including Hugo Award-winning title story 'Bicentennial Man', which explores a robot's journey towards becoming human. Asimov was always ahead of his time and his work stands today as the clearest expression of our collective hopes and fears for the future.