Short answers, pulled from the story.
Stephen King wrote the opening pages of Carrie in a trailer in Hermon, Maine during 1973. He had just finished teaching English at Hampden Academy and was struggling to find his footing as an author.
The hardback edition of Carrie printed 30,000 copies and released on the 5th of April 1974. This release marked the official publication of Stephen King's first novel after he received publishing advances from Doubleday.
The explosion destroyed the building with 440 reported casualties. Carrie sealed the gym and activated sprinklers which electrocuted students and ignited fuel tanks causing the tragedy.
Brian De Palma directed the first film adaptation of Carrie released the 3rd of November 1976 starring Sissy Spacek. It achieved critical acclaim and commercial success becoming a major contributing factor to Stephen King's success.
A British publishing company Hodder & Stoughton published the 50th anniversary edition of Carrie on the 26th of March 2024. The original novel has remained in continual print throughout Europe since its initial release.