The chief task of the conscious mind,"" says the author, ""is to know God."" From that, he concludes that man's basic activity, and his basic language, is prayer, which he then describes in its concept, its process, its relationship to self, its discipline, its techniques, and its applications and results in human life. If such is the theory of prayer, its reality is its ability ""to flood being with a quality and attitude that change thought and action."" And it is that practical aspeet of prayer that is the focus of this book: prayer which begins with God, uses the self fulfills the self, transcends the self, changes things, and, finally, changes people. If this sounds like a variation of ""positive thinking"" -- well, so it is; but it is nonetheless effective because of that, particularly in the hands of an author as straightforward and stylistically virile as this one. Understanding Prayer, like prayer, transcends denominations, and will be an eye-opener for Christians of all persuasions.