Back in the day, New York City libraries were heated with coal. There was a custodian that lived in the library to keep it warm, clean, and secure at night. Their families often lived with them as was the case for Raymond Clark. His son, Ronald, was 15 when they moved in. He admits to being ashamed at first, but discovered it had its advantages."I could run and scream and jump and yell. And if I had any question about anything, I would get up in the middle of the night, go down, get out a book, read until 3 o'clock in the morning," he says. "I began to realize how great I had it because the library gave me the thirst of learning — and this just never left me."