I found this link to download series Cambridge IELTS Books from 1-9 through mediafire. I found many link in many place to download this series but in almost, the file pdf scan Books 4 is unclear. Awesome, All file in this link is good, the books have recent scaned from original book into pdf file, they very clear and net scan.
I can't post a link, so you can go to website : ieltsmaterial[.]com to download.
I can't post a link, so you can go to website : ieltsmaterial[.]com to download.