Ryder Windham ; based on the story by George Lucas and the screenplay by Lawrence Kasdan and George Ryder Windham ; based on the story by George Lucas and the screenplay by Lawrence Kasdan and Leigh B Ryder Windham ; based on the story by George Lucas and the screenplay by Lawrence Kasdan and George Lucas. Ryder Windham ; based on the story by George Lucas and the screenplay by Lawrence Kasdan and Leigh Brackett. Patricia C. Wrede ; based on the story by George Lucas and the screenplay by George Lucas and Jonath Patricia C. Wrede ; based on the story by George Lucas and the screenplay by George Lucas and Jonathan Hales. R. A. Salvatore ; based on the story by George Lucas ; and the screenplay by George Lucas and Jonathan Hales. Based on the story by George Lucas and the screenplay by George Lucas and Jonathan Hales. Ryder Windham ; based on the story and screenplay by George Lucas.