It used to be thought that the events that changed the world were things like big bombs, maniac politicians, huge earthquakes, or vast population movements, but it has now been realized that this is a very old-fashioned view held by people totally out of touch with modern thought. The things that really change the world, according to Chaos theory, are the tiny things. A butterfly flaps its wings in the Amazonian jungle, and subsequently a storm ravages half of Europe.

He later became a fan of science fiction reading the works of authors as diverse as Alan MooreSamuel R. Gaiman has not written a direct sequel to American Gods but he has revisited the characters. In the late 1980s he wrote Don't Panic: The Official Hitchhiker's Guide to the Galaxy Companion in what he calls a "classic English humour" style.

His notable works include the comic book series The Sandman and novels Stardust American Gods Coraline and The Graveyard Book. Neil Richard MacKinnon Gaiman (pron.