Robert Downey, Jr., may be best known as Iron Man, but his career as an actor stretches back to the 1980s and features several Oscar-quality roles. He has worked with a wide range of innovative directors from Oliver Stone and Robert Altman to Richard Linklater and Shane Black, and has played punk kids, detectives, journalists and even a serial killer.

This fascinating collection of essays combines scholarly attention to detail with a highly readable style to examine, in roughly chronological order, more than 25 of Downey's best performances in films as diverse as Less Than Zero, Chaplin, Natural Born Killers, A Scanner Darkly, The Soloist and Tropic Thunder. Including a biography, chronology and filmography, the book highlights the inseparability of the actor's biography from his works and from the unique combination of talents he brings to his roles.