Are the early years a time of vulnerability or resilience? To what extent are our future prospects constrained by how well we navigate them? How can we get all children off to a good start in life? When should we worry? The committee provides a framework for approaching such vital questions and explores how scientists know what they know about childhood development.

This timely release will be important to all those who care about children and their families: policy makers, educators, researchers, program administrators, advocates, journalists, caregivers, and parents.