Book excerpt: Tools for Mystery Writers emphasizes the rules that work well to create best-selling fiction. Also included is how to write from personality preference research and how to write from the upward gush of your character's infancy. A book of handy rules and research for all fiction writers of mystery, suspense, historical novels, stories, and scripts or plays. Also included is how to write about relationship issues in mystery and suspense fiction. How do mystery writers use personality research to develop and drive their characters and plots in novels and stories?