The book "Advances in Social Pediatrics 4: Munich Functional Developmental Diagnostics" offers a comprehensive analysis and description of the Munich Functional Developmental Diagnostics system, which focuses on the early diagnosis of psychomotor functions in infancy. It addresses various aspects of developmental diagnostics in pediatric medicine and provides valuable insights into somatic and physiological developmental diagnostics. The authors, including Reglindis Schamberger and Thomas Rautenstrauch, present a structured approach to diagnostics across different developmental stages, including crawling, sitting, walking, grasping, perception, speaking, language comprehension, and social age. The book is an important reference work for professionals in medicine and nursing who are involved in the early detection and support of developmental disorders in infants and toddlers.