Since its first publication in 1997, A Practical Course in English Phonetics and Phonology has been widely used in different universities in Iran. The feedback received from students and instructors has been mostly positive and encouraging. However, some shortcomings have been brought to the author’s attention. Therefore, an attempt has been made to overcome these shortcomings in the revised edition. In this edition, certain new sections have been added and in particular Chapter 9 has been thoroughly revised and enlarged. In this chapter new drills and exercises have been provided for the teaching of English pronunciation. In is hoped that the new edition will meet the purpose and needs of Iranian students and teacher