Who read johnnys letter in The Outsiders?

In S.E. Hinton's "The Outsiders," Johnny's letter was read by Ponyboy Curtis.

Johnny wrote the letter from the hospital after he was seriously injured in a fight. He gave the letter to Ponyboy, asking him to read it to the rest of the gang. It's a very important part of the story, as it reveals Johnny's feelings about the fight, his regret over his actions, and his hope for the future.