This book guides decision-making for professionals and communities working to create and maintain state-of-the-art early intervention programs. The book presents a comprehensive early intervention model that supports children and their families. The model is a community-based system that integrates large amounts of current early intervention knowledge. It is a practical model and can be applied in any community. This volume brings together many highly respected experts in early intervention. The authors describe the model, its components, and the principles that guide it. They also discuss various early intervention practices, and international practices in specific countries.