Cambridge Vocabulary for Ielts with Answers and Audio CD (South Asian Edition) About the Author Pauline Cullen is internationally acclaimed for his various preparatory books to help the IELTS candidates. A vivid language learner herself, she has authored several books including Common Mistakes At Ielts Intermediate, Cambridge Vocabulary for IELTS Advanced Band 6.5+ with Answers and Audio CD, Common Mistakes at IELTS Intermediate: And How to Avoid Them, and The Official Cambridge Guide to IELTS Student's Book with Answers with DVD-ROM.