Clear Speech Class and Assessment Audio CDs (4): Pronunciation and Listening Comprehension in North American English

Clear Speech: Pronunciation and Listening Comprehension in North American English, 4th Edition

Clear Speech from the Start Student's Book: Basic Pronunciation and Listening Comprehension in North American English

Clear Speech Student's Book with Integrated Digital Learning: Pronunciation and Listening Comprehension in North American English

American Accent Training with 5 Audio CDs

Clear Speech from the Start Class and Assessment Audio CDs (4): Basic Pronunciation and Listening Comprehension in North American English

Pronunciation Pairs: An Introduction to the Sounds of English (Student's Book & CD)

Fundamentals of English Grammar with Audio CDs and Answer Key (4th Edition)

Pronunciation Pairs: An Introduction to the Sounds of English, Teacher's Manual

The Preposition Book: Practice toward Mastering English Prepositions