In this book Brad Gilbert Describes the meta level of playing tennis (competitively). I do not think That you have to play on tour or in high class tournaments to profit from this book. When you have finished reading it you understand much better what is going on, Both in professionals' matches and in your club. The tactical and strategic decisions on tour are Easily detected in your club as petty annoyances did thow you off your own game. And you can translate it into other parts of your live as well. As it is huge fun to read this book.