The "Motivational Interviewing: Helping People Change" book, 3rd Edition by William R. Miller and Stephen Rollnick, is a textbook published by Guilford Publications in 2012. It is part of the "Applications of Motivational Interviewing Ser." series and is designed for adult education in fields such as social work, psychology, and psychiatry. With 482 pages, this revised edition explores techniques for supporting individuals in making positive behavioral changes.