As a storyteller, you're constantly looking for ways to captivate your audience, to transport them to new worlds, and to bring your characters to life. One of the most effective ways to achieve this is through improvisation. And when it comes to improvisation, few experts are as renowned as Keith Johnstone. His book, "Impro for Storytellers," has become a seminal text in the world of improvisation, and its PDF version has made it more accessible than ever to storytellers of all kinds.