David Sheff's honest Yoko Ono biography sheds new light on her marriage to John Lennon and life after his murder. These are the biggest revelations.

Even before The Beatles went their separate ways in 1970, John Lennon had begun recording and releasing his own music.

Marrying John Lennon brought Yoko Ono a dizzying degree of reflected fame ... For years, she took formal lessons while also experimenting with her signature screeching, howling and caterwauling.

Here's how I really feel about a ceasefire' The woman who broke up the Beatles: Why everything you think you know about Yoko Ono is wrong Who was Jessica Aber? Ex-US attorney investigated Russians ...