Using the 1993 movie Groundhog Dayas a springboard to illustrate the principle of repetitive thought patterns, professional entrepreneur and lecturer Hannam (emeritus, Oxford Univ. Environmental Change Inst.; coauthor, Take Charge of Your Mind) discusses how to change one's inner life to see the beauty in the world. According to Hannam, the "groundhog effect" is the force that keeps people feeling stuck and powerless to change. Only by breaking free of this looplike effect, he posits, can they liberate themselves to enjoy healthy habits, relationships, and careers. Hannam instructs readers on how to do this on first a personal and then an environmental level, offering a fresh approach to changing old behaviors. Recommended for all libraries.