Jo says she knew Harry Potter was getting big when the press started to take notice, but she had no idea how "Beatles-esque" it had gotten until she started her second American book tour. She says she showed up for a book signing and was faced with a horde of screaming fans, lightbulbs going off in her face and a line that stretched for blocks. When she finally left that day—after signing 2,000 books—the line still hadn't ended.
"That's when it started to get crazy," she says. "At that point, I kept saying to people, 'Yeah, I'm coping, I'm coping.' But the truth was, there were times when I was barely hanging on by a thread."