Dr. Abdulaziz A. Al Boraithen for his translation from English into Arabic of "The Encyclopedia of Autism Spectrum Disorders", A book of  Carol Turkington and Ruth Anan. The Encyclopedia of Autism Disorders is a comprehensive and completed reference of autism spectrum disorders and all its related topics including definitions, causes, diagnosis, treatment, rehabilitation, food and prevention. The translation of this work into Arabic is a valuable addition to Arabic library due to its importance to students, specialists,   and families of patients.