This work deals with three central aspects of management planning (the principles, effectiveness of methods and the factors contributing to success or failure) for this century. The central thesis of the author is that the exercise of planning requires people who are committed to the performance of undertaking to serve the states. This multivolume study is a set of three books. The firs volume is titled: Management of Self for Excellence and other as. Management Strategy for Twenty–First Century and Career Planning and Administration in Government Service. These volumes provide a complete picture of professionalism and decisionmaking.