About the fourth edition: When I completed the third edition of Enhanced Precision, I believed (or at least hoped ) that it would be the final version. But many people made suggestions for improvements and I finally succumbed to writing what I now believe (or at least hope ) will be the ultimate system (knowing full well that there is no ultimate system). In addition to many improvements in the system itself, the fourth edition contains numerous examples of the system in action (in response to numerous requests for examples showing how the system works with real hands). Most of the concepts...