Star wars : the annotated screenplays : Star wars--a new hope, The empire strikes back, Return of the Jedi / [annotated and introduced by] Laurent Bouzereau.
Star Wars. A new hope / based on the story and screenplay by George Lucas -- The Empire strikes back / based on the story by George Lucas and screenplay by Leigh Brackett and Lawrence Kasdan -- Return of the Jedi / based on the story by George Lucas and screenplay by Lawrence Kasdan and George Lucas.