1. Expert-Backed Insights: Written by Louise Bates Ames, PhD, Frances L. Ilg, MD, and Sidney M. Baker, MD of the Gesell Institute of Human Development, this book offers a research-based perspective on child development.

2. Parental Reassurance: Many users highlight how the book helps parents understand 'typical' behavior for each age, reducing unnecessary stress and fostering compassion.

3. Timeless Value: Despite being written decades ago, reviewers note that the developmental stages described remain relevant today, offering comfort to modern parents.

4. Unexpected Bonus: Some parents report that their children enjoyed reading the book themselves, finding it reassuring to learn about their own developmental phases.

5. Slight Limitations: A few reviewers mention that grouping ages 10-14 together can be too broad, and some references feel dated. However, most agree these are minor issues.

6. Highly Recommended: Clinical psychologists and seasoned parents alike endorse this series as essential reading for understanding child development stages.

7. International Appeal: Even non-US parents find the book valuable despite its American focus, appreciating its universal insights into growing children.