Automate vlookup

gajrajbhardwaj1990 Posts 1 Registration date Monday July 20, 2015 Status Member Last seen July 20, 2015 - Jul 20, 2015 at 04:05 AM
two sheets.
in one excel sheet columns are name, isbn, qauntity and many so....

in another excel sheet columns are only three columns are sku, isbn, qauntity..
 and i need   vlookup from isbn and takes  values  from quantity column.