Though Led Zeppelin's fourth album was actually released sans title, it has come to be known as Led Zeppelin IV. Perhaps best known for its hit "Stairway to Heaven," the album remains a favorite of classic rock fans of all generations. Rolling Stone has even placed it on its list of the 500 greatest albums of all time. Drawing from more than 30 years of documentation, interviews, and recorded footage, this book delivers unprecedented accuracy and, for the first time, lyrics officially certified by Robert Plant.