The author of this book, Thomas M. Sterner, is a Piano technician for a major performing arts center. The author admits that , in his career spanning 25 years, he had faced a lot of challenges to keep himself disciplined and focused (considering the act of tuning and maintaining a piano , an instrument that has 88 notes , is repetitious and tedious by nature). Over a period of time, the author develops a mindset that has kept him productive.