Stand-up comedian Davies, who develops interventions that deal with complex public and mental health issues and building teams in high profile organizations in the UK, offers a guide to using laughter and humor as a personal development tool to feel better, enhance resilience, and communicate more effectively. She describes what laughter is, types of humor that trigger it, the effects of positive and negative people, the science behind laughter, the process and mechanics of humor, and the importance of play, then presents a toolkit that concentrates on focus, how language can affect mood, using the imagination to feel better, and pattern breaking, to help readers improve the way they look at life by building cognitive skills. She ends with a process for finding positives in life. Exercises are provided in each chapter. Annotation ©2013 Book News, Inc., Portland, OR (booknews.com)