Hello Aspirant,

you are welcome for your advance thanks.

If you are self study person ,I strongly encourages you and do hard work+smart work.

And i suggest you few books ,You should follow the books for your self preparation,

BOOKS:-

1. IELTS  cambridge textbooks

These are real IELTS tests books published by IELTS  for you use at home.

2.Ideas for IELTS  Essay topic E-book

A very useful book for you to increase your writing task capability +2 score.

3.Grammar for IELTS  writing task  2

this book is a higher level grammar book.

You can go through the provided books.

I hope this information will help you.

• ILETS Listening
• Ace The ILETS
• ILETS writing
• ILETS superback

As you are preparing for IELTS, you should follow and refer these books:

1. IELTS Cambridge Test Books
2. Ideas for IELTS Essay Topic E-Books
3. Grammar for IELTS Writing Task 2 E-Book
4. Barron's IELTS Superpack
5. The Official Cambridge Guide of IELTS
6. Cambridge IELTS  Academic Student's Book with Answers

Best luck for your studies!!