This is apparently a ""revised edition"" of a book previously issued, but no date is given as to the original publication, so we are reviewing it as a new book. A program for sensible living, watching health, eating, sleeping, keeping flexible habits, avoiding excess, cultivation of personal powers, control of emotions, beliefs and judgment. Describes endowments and types of personalities and resources, mental predispositions:-liabilities and mental powers. Generalizations on scale of essentials, for fuller, normal living and balance of circumstance and temperament.