The purpose of this book is to prepare the student of the Special Education career for the use of the essential resources and methodologies that must be mastered about language, speech and voice disorders in logopedic practice Due to the value that language has for the cognitive, communicative development and the formation of the personality in general, demands that more and more emphasis be placed on its stimulation and development from education. Hence the importance of the work of the special educator, who guides, directs, and controls the prevention, diagnosis, and treatment of language disorders, both in the regular and specialized educational context, as well as family guidance and follow-up, due to its broad scope. Action field.