I haven't read the book, but was intrigued about the idea of overhauling batting averages. You're not doing away with batting averages! They have always been one of the most important statistical benchmarks, and they still are. This is some new wave thinking. People are always trying to tinker with traditional measures and parameters. That's how we ended up with T20 cricket, which isn't the essence of cricket at all. Test cricket remains the true test of a cricketer's ability.