need the OG for GMAT

Hi buddy,
I need the OG for GMAT for preparation.
could you give the Official Guide for GMAT 10th and 11th edition.
I would highly appreciate if you can email me a copy.

My email id:

Thanks in advance.
best wishes


Plz send me ebook for GMAT OG 11th eddition.

My mail id .

thanks in advance