"Counterclockwise" by Ellen Langer is an insightful nonfiction book that delves into the fascinating topic of time perception and its impact on well-being. In this paperback published in 2010, the renowned psychologist explores how thoughts and perceptions of aging can influence physical and mental health. Langer presents compelling arguments and scientific findings that encourage readers to question their own beliefs about aging. With 240 pages, the book offers a comprehensive analysis and practical approaches to enhance one's quality of life through changed mindsets. It is aimed at readers interested in philosophy and religion, particularly in the context of alternative perspectives on traditional notions of aging. "Counterclockwise" is not only informative but also inspiring, motivating readers to actively shape their own perspective on aging.