In David Sheff's new biography "Yoko," the author recounts his conversation with John Lennon about creating "Imagine" with his wife, Yoko Ono.

If Yoko Ono’s life were a novel, it would be a twisting, turning, wildly unpredictable epic. What a story: Little Yoko was ...

Marrying John Lennon brought Yoko Ono a dizzying degree of reflected fame. But her life story is nervy, compelling and ...