"Great at Work: How Top Performers Work Less and Achieve More" is a book written by Morten Hansen, a management professor at the University of California, Berkeley. In this book, Hansen explores the habits and practices of top performers in various fields, aiming to uncover what sets them apart and how others can emulate their success. Hansen argues that it's not about working harder but rather about working smarter and focusing on high-impact activities. He presents his findings based on extensive research and interviews with top performers, offering practical advice and strategies for individuals to improve their productivity and performance. The book challenges conventional wisdom about work and productivity, emphasizing the importance of prioritization, focus, and continuous learning in achieving exceptional results. Overall, "Great at Work" provides insights and actionable tips for anyone looking to enhance their effectiveness and achieve more in their professional endeavors.