Motivational Interviewing: Helping People Change is a textbook written by William R. Miller and Stephen Rollnick, and published by Guilford Publications in 2012. This revised edition is part of the Applications of Motivational Interviewing Series, focusing on the subject areas of self-help, psychology, medical, and social science. The book provides insights into motivational interviewing as a method for helping individuals change their behavior, particularly in the areas of addiction, compulsive behavior, and psychotherapy. With 482 pages and a hardcover format, this book is a valuable resource for students and professionals in the fields of social work, psychology, and psychiatry.