Cambridge University Press The Cambridge Guide to IELTS Student's Book with Answers with DVD-ROM (Cambridge English)

The Official Cambridge Guide to IELTS for Academic & General Training with Answers with DVD-ROM (Cambridge English)

IELTS Superpack (Barron's Test Prep)

IELTS 18 Academic Student's Book with Answers with Audio with Resource Bank (Cambridge IELTS Self-Study Packs)