The desire to develop the conception of knowledge management, exploration of this phenomenon in the conditions of Poland and making a contribution to the improvement of the economy, which provides a higher living standard, was the first and the most important challenge for the author of this book. The book, due to author particular interest in the problematic of human resources management and as a result of the observation procedures, analysis of literature sources and finally, as a result of the recently implemented analytical research concerning the knowledge management, concentrated upon the issue of human resources management and its role in the development of knowledge management in the enterprise. The most important goal of the present research was to define the dependency between the means of the personnel appraisal applied at the enterprise, and the level of knowledge management achieved by the enterprise.