This book investigates the underlying causes of common psychosomatic behaviors in children to help parents distinguish between normal developmental milestones and genuine medical concerns. Dr. T. Berry Brazelton, a renowned pediatrician and founder of the Child Development Unit at Children's Hospital Boston, draws upon decades of clinical observation and academic research. He presents a framework that encourages parents to view behavioral challenges as communication rather than defiance, providing a roadmap for navigating the complexities of childhood growth.

Experts and parents frequently cite this work as a foundational text for understanding the emotional and physical realities of child development. The prose is noted for its accessible, empathetic tone, making complex pediatric concepts understandable for a general audience.