The core book for Rosette Diceless, a GM-less, diceless rule system for tabletop and live-action RPGs. From the back of the book: Rosette Diceless is a sourcebook for roleplaying that is consensus-based, story-focused, and improvisational. There is no single person in charge and any number of players is supported. Play whatever sort of character you like. Nothing can happen to your character without your consent. Use Rosette Diceless to ensure your game stays dynamic and interesting.