Volume 1 of the successful two-volume textbook provides the foundation for the clinic of communication and swallowing disorders. In detail, you will find clinical manifestations as well as diagnostic standards for disorders ranging from aphasia to tongue thrusting. It offers essential textbook knowledge and simultaneously serves as a daily reference for practitioners, ensuring guidance in the diverse spectrum of language, speech, voice, and swallowing disorders. In Volume 2, renowned authors draw the therapeutic consequences. Volume 1 (Clinic) and Volume 2 (Therapy) form a meaningful complement but can also be used independently. They are aimed at all professionals working in speech, language, voice, and swallowing therapy, as well as physicians from related disciplines. New in the 4th edition of Volume 1: complete updates and new chapters on specific language development disorders.