Carrie was King’s fourth novel but the first to be published. It was written while he was living in a trailer, on a portable typewriter that belonged to his wife Tabitha. After the success of “Carrie,” King wrote more in a horror fiction style and his dark suspenseful novels became bestsellers.
“(…) This memory came back to me one day while I was working in the laundry, and I started seeing the opening scene of a story: girls showering in a locker room where there were no U-rings, pink plastic curtains or privacy. And this one girl starts to have her period. Only she doesn’t know what it is, and the other girls – grossed out, horrified, amused – start pelting her with sanitary napkins … The girl begins to scream. All that blood!
I’d read an article in LIFE magazine some years before, suggesting that at least some reported poltergeist activity might actually be telekinetic phenomena – telekinesis being the ability to move objects just by thinking about them. There was some evidence to suggest that young people might have such powers, the article said, especially girls in early adolescence, right around the time of their first — POW! Two unrelated ideas, adolescent cruelty and telekinesis, came together, and I had an idea …
(…) I did three single-spaced pages of a first draft, then crumpled them up in disgust and threw them away.
The next night, when I came home from school, my wife Tabby had the pages. She’d spied them while emptying my waste-basket, had shaken the cigarette ashes off the crumpled balls of paper smoothed them out and sat down to read them. She wanted me to go on. She wanted to know the rest of the story.”
Source: Stephen King’s book “On Writing: A Memoir of the Craft”.