There is no single book, which introduces readers to the Bronfenbrenners model of development as a context for early years practice. Fully updated with one new chapter and broader coverage on transitions Bronfenbrenners theories on ecological systems in human development are one of the most influential models in early childhood education and yet many practitioners and researchers rely on his original work as the only source of guidance. Draws on practice-based research to identify and animate key elements of Bronfenbrenners model and how it impacts on early educational pedagogy and practice. In light of the important research data emerging from the neurosciences, Bronfenbrenners bio-ecological model of development provides a rich framework in which to enhance understandings.