One of the best parts of Stephen King's "It" is the way King fully embraces the 1958 vibes of the kids' timeline. King himself was a child in 1958, so he drew on the actual slang he and his friends used, with a specificity that would be hard to capture if he hadn't been there himself.

King's experience as a '50s kid and '60s teen came in handy for the writers of the upcoming HBO show "It: Welcome to Derry." Showrunners Andy and Barbara Muschietti, both born a generation after King, do not have that intimate knowledge of '50s slang and profanity, so they leaned on the author himself for help with writing the dialogue for these 1962 kid characters.

"In this back and forth that we have, there are a lot of details that you cannot get unless you're talking to someone from that generation,"

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