He decided to become a writer when he graduated, and contributed to different publications with short stories and articles. He usually spent nights reading in libraries or working as a newspaper seller in the street.
The Martian Chronicles (1.950) and Fahrenheit 451 gave him a reputation as a sci-fi writer, although he always said that he was not a sci-fi but a fantasy writer.
Click if you want to read a quote by Bradbury.
Watch Ray Bradbury on the BBC telling that his inspiration came from his nightmares and from his great memory.
Francois Truffaut made a film based on Fahrenheit 451:
Click to watch the video trailer.
His advice to young writers.