The textbook "Normal and Abnormal Swallowing" offers a comprehensive analysis of dysphagia, a significant health issue that is becoming increasingly relevant, particularly in the aging population. The second edition of the book reflects the developments and changes in this specialized area of medicine since the first publication 11 years ago. It highlights advancements in the diagnosis and treatment of swallowing disorders and acknowledges the contributions of pioneers in the field. The book is aimed at professionals involved in the research and treatment of dysphagia and provides valuable insights into the multidisciplinary approaches used in modern medicine. The continuous increase in specialists and the establishment of relevant professional societies underscore the growing importance of this topic within the medical community.