# Flow: The Psychology of Optimal Experience

- **Author**: Mihaly Csikszentmihalyi
- **Year**: 1990
- **Summary**: This book introduces the concept of "Flow," a state of complete immersion in an activity. Csikszentmihalyi posits that flow is achieved when there is a perfect balance between the challenge of a task and the skill of the performer. The theory identifies key components for achieving flow, including clear goals, immediate feedback, and a sense of control. It has been highly influential in game design and user experience.
- **Link**: https://www.harpercollins.com/products/flow-mihaly-csikszentmihalyi