Dear Dr danish habib,
I tried to PM you links of IELTS books but your inbox is full. Pls delete some of your messages.
to download booklet "OP 6", click on the following link (latest version: updated on 14 Dec 2010)
http://www.cic.gc.ca/English/resources/manuals/op/op06-eng.pdfI aslo have the version that was updated in May 2010. kindly send me your email address so that i can send that version.
regards,
Dr.Hasib