Mary Main's groundbreaking book, unpublished until now, offers a full account of the methods she developed that revolutionized attachment research, explores her conceptual frameworks and methodologies, including the Adult Attachment Interview and coding systems, and provides essential insights into attachment theory.

The book delves into Main's innovative methods, such as the Adult Attachment Interview, the 6-year systems introducing controlling strategies, and an advanced coding system for disorganized attachment. It also includes theoretical discussions that remain highly relevant today, even as some methods are no longer in use. This work captures the depth of her contributions.

This book is indispensable for psychologists, researchers, and students of attachment theory. It is also valuable for professionals in developmental psychology, social work, and related fields seeking to understand Mary Main's revolutionary ideas and their lasting impact on attachment research.