The Official Cambridge Guide to IELTS - This is a recommended book for both IELTS Academic as well as IELTS General Training examinations. This book is offered by Cambridge University Press.
Barron's IELTS Superpack - The book by Lin Lougheed is one of the preferred choices of students preparing for the IELTS general examination.
Target Band 7: IELTS Academic Module - This book by Simone Braverman is higher among students preparing for the IELTS exam. The tips and strategies given in this book are helpful.
IELTS Trainer Six Practice Tests with Answers and Audio CDs - This book by Louise Hashemi and Barbara Thomas is the best reference book for those students preparing for all four tests of IELTS.
The Complete Guide to IELTS - The Complete Guide to IELTS by Bruce Rogers deconstructs the IELTS exam and works systematically for each paper, covering all task types, text types, and skills.
Road to IELTS - Road to IELTS provides students with access to practice papers, instructional videos, and interactive activities. This is really helpful for students who are going to appear for IELTS.
Check Your English Vocabulary for IELTS - This book by Rawdon Wyatt provides a good reference while preparing for the IELTS exam. It will help students enhance their vocabulary to a great extent.
Focus on IELTS Foundation - This book is highly recommended to students preparing for IELTS. It offers a comprehensive foundation in both languages.
Cambridge English Vocabulary for IELTS Advanced Band 6.5+ - The book by Pauline Cullen is a great help while preparing for the IELTS examination. Students can effectively improve their vocabulary through this book.
IELTS Premier with 8 Practice Tests - This book by Kaplan Test Prep provides you with the practice tests that are really needed during the IELTS preparations.