These memories are the subject of Katherine's new book, Never Can Say Goodbye, a tribute to Michael that includes personal stories and never before-seen photographs from his life. Oprah asks Katherine why she wanted to share these stories with the world.
"I wanted to do it for his fans and for the people that misunderstood him," Katherine says.
"Do you think he was misunderstood?" Oprah asks.
"Yes," Katherine says. "I do."