Write a letter to the manager of a bookstore to supply u secondary school grammer in large quantity.

To whom it may concern,

      Hello. I am in need of your Secondary School Grammer supplies in the amount of 3 cases. I have a very large group here and they're all willing to learn everything that they can in order to pass onto the next grade. So if you may would you please send all that you can? Thank you.

it should discride this whale so it shouldnt be that hard