In this volume, some of the world's leading experts on infant-mother interaction, caregiver sensitivity, and infant security celebrate Mary Ainsworth's enduring influence. These thoughtful new essays focusing on maternal sensitivity are a virtual seminar on the work that established attachment theory as one of the most revolutionary contribution "Overall this is very good, comprehensive, and thought-provoking text, which will be of significant relevance to researchers into attachment ideas. However, it is one for the committed attachment reader or clinician who wants to develop their theoretical understanding of child development and attachment." - Mark Wylie, Hill House School, The Psychologist