Most books on writing focus on the solitary act of putting words on a page. Impro for Storytellers focuses on the generation of ideas in real-time. However, the principles apply perfectly to the writing process.
: Techniques for building a story through "circles of probability" and "reincorporation" (bringing back elements from earlier in the scene). Key Exercises ("Pieces") from the Book
While Impro (1979) focused on status, spontaneity, and blocking, Impro for Storytellers (1999) takes those concepts and applies them specifically to the creation of narratives. It moves beyond the scene into the arc of the story, making it an invaluable resource for anyone struggling with plot holes, pacing, or character motivation.