Snowflake method checklist. Maybe you'd rather work from the top down than from the ground up. Inspired by fractal geometry (really!), Randy Ingermanson's "snowflake method" grows an entire novel from a single sentence. Each step of the process methodically expands upon the one before, filling in detail until you have a complete draft.
Story premise worksheet. Your premise is the foundation on which the entire novel is built. With this step-by-step guide, you'll think about who your protagonist is, what he or she wants, and the problems or conflicts they must overcome. The end product is a concise, two-sentence explanation of what your story is about.