Ages 18+. Registration required: 970-221-6740. Rules for World Building: World Building isn’t just for sci-fi writers! Whether you’re writing a memoir, a mystery or a space opera, your story needs a world that adheres to consistent, coherent rules. Rules for World Building demonstrates how thoughtful location and setting design can help build a tangible, viable, dynamic world, one that will enhance themes, excite plot and generate organic influences on the lives of your characters.