The best IELTS reading materials include:
Cambridge IELTS books (1–18) – Official past test papers.
The Official Cambridge Guide to IELTS – Comprehensive strategies and practice tests.
Barron’s IELTS Superpack – Includes practice tests and tips.
IELTS Reading Actual Tests – Helps you practice with real exam questions.
Using a mix of these IELTS reading materials will help you understand different question types and improve your reading skills.